Dissertation
1. Todorov S., Research at longitudinal section of railway from higher speeds, doctorate, 1998, 164 p., УДК 625.11, COBISS.BG-ID 1263559396,
Books, textbooks and monograph
2. Lazarov K., Ivanova M., Todorov S., Manual of designing and building of railway lines, 1997, Sofia, ISBN 954-12-0054-0, УДК 625.11(075.8), COBISS.BG-ID 1033590244, 262 p.
3. Todorov S., Design and construction of railways, students’ book for UACG, 2006, proceedings in UACG, УДК 625.1-11(075.8), COBISS.BG-ID 1045176292, 334 p.
4. Nikolov V., S. Todorov, Roads and Railways, textbook for UACEG, 2011, ISBN: 978-954-12-0205-0, УДК 625.11.001.63(075.8), 625.7/.8(497.2)(075.8), COBISS.BG-ID - 1250684900, 2011, 471 p.
5. Todorov S., Development of public transport in Sofia, monograph, E-book, ISBN 978-954-724-048-3, 126 p., https://uacg.bg/filebank/att_3212.pdf
6. Todorov S., Longitudinal profile of railway lines at high speeds, monograph based on dissertation, e-book (.pdf), 2020 г., ISBN 978-954-724-121-3, 160 р., https://uacg.bg/filebank/att_19371.pdf
Articles in magazines
7. Todorov S., Transition of rise-to-distance ratio in raising of speeds in railway curves, Railway transport, Sofia, 3/2000, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 3 (2000), с. 27-28 , УДК 621.11, COBISS.BG-ID 1143748580 p. 27-28
8. Nikolov V., Todorov S., Ivanov R., Combine influence of loading up of rolling stock and traffic on ground bed in area of crossing, Railway transport, Sofia, 5/2000, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 6 (2000), с. 34-36 , УДК 625.16, COBISS.BG-ID 1144242404, p. 34-36
9. Nikolov V., Todorov S., Pavement for railway crossings, Railway transport, Sofia, 3/2001, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 3 (2001), с. 22-23 , УДК 625.16, COBISS.BG-ID 1156567780, р.22-23
10. Todorov S., Requirement to transition curves for tramway track, Railway transport, Sofia, 6/2001, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 6 (2001), с. 21-23 , УДК 625.46, COBISS.BG-ID 1156776932, р. 21-24
11. Todorov S., Some problems about professional education in area of Railways, report in magazine Railway transport, 6/2006, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 6 (2006), с. 20-21, УДК 378.965.62, 377.5:656.2, COBISS.BG-ID 1173017572, p.20-21
12. Dacovski C., Todorov S., Geuergieva E., Overhead railway road to airport Sofia, report in magazine Railway transport, 10/2006, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 10 (2006), с. 36-39, УДК 656.2(497.223), COBISS.BG-ID 1173977316 p.36-39
13. Todorov S., Lepoev М., Compatibility and safety of high-speed railways sections, m. „Railway transport” n.3, 2008, Железопътен транспорт = Railway Transport Magazine. ISSN 1310-683X. - 3 (2008), с. 36-38, УДК 656.25, COBISS.BG-ID 1181735396 р.36-38
14. Todorov S., Train running on horizontal curves – the cant deficiency and excess, academic journal “Mechanics, Transport, Communications”, ISSN 2367-6620, t. 12, N 3/3, Year 2014, р. VIII-9-15 http://www.mtc-aj.com/academic-journal.php?lang=en
15. Todorov S., Ianakiev I., Development of railway stations of city Pleven, ISSN 2367-6620, t. 13, N 3/3, Year 2015, р. VIII-67-71 http://www.mtc-aj.com/academic-journal.php?lang=en
16. Postolova N., S. Todorov, R. Zaharieva, Innovative solutions for the recovery of used redundant railway materials in construction, ISSN 2367-6620, v. 14, бр. 3/3 2016, art.ID1364, р. XIV-21-26, http://www.mtc-aj.com/academic-journal
17. Todorov S., D. Mihaylov, Application of modern technologies and developments in the reconstruction of “Grag Ignatiev” blv., Proceeding year 2 volume „Industry 4.0", 12-15 December 2018, ISSN (print) 2535-0153, ISSN (Online) - 2535-0161, p.188-192, http://industry-4.eu/winter/sbornik/2-2018.pdf
18. Todorov S., K. Kutzarowa, Determination of the braking force and assessment of the dangerous sections of the railway network of the Republic of Bulgaria, scientific journal "Mechanics, transport, communications", ISSN 2367-6620, v. 17, бр. 3 2019, р. VIII-19-25, http://www.mtc-aj.com/academic-journal
19. Todorov S., Research of the factors determining the safety of train movement under breaking – interoperability, Proceeding year 3 volume 3/7, 11-14 December 2019, ISSN (print) 2535-0153, ISSN (Online) - 2535-0161, http://industry-4.eu/winter/sbornik/2-2018.pdf
20. S. Todorov, Exceptions to the norms of a project for development of the railway junction Sofia - interoperability, scientific journal "Mechanics, Transport, Communications", ISSN 2367-6620 (print), ISSN 2367-6620 (online) 2020/3, pp. XIV-21-26, http://www.mtc-aj.com/faculty-conferences.htm
Articles in Annuals
21. Todorov S., Energy evaluation of railway longitudinal section, Annual of UACG, Годишник на Университета по архитектура, строителство и геодезия - София = Annuaire de l'Universite d'Architecture, de Genie Civil et du Geodesie - Sofia. ISSN 1310-814X. - 39 [за 1996/2000], 8 (2001), с. 21-39, ISSN 1310-814X (print); ISSN 2534-9759 (online), 39, 8, 1998 г. УДК 625.11, COBISS.BG-ID 1156335844 Sofia, 1996-2000, pp.21-39
22. Todorov S., R. Valkov, Strategic projects for the design of reconstruction and electrification of sections of the 1st railway line, Scientific Papers 72, Vasil Levski Higher Educational Institution V. Turnovo, 2002, pp.421-428, ISSN 0861-0312
23. Todorov S., Standard requirements and conditions of railway track inside lines in MP Debelt, Annual of MGU “Sv. Iv. Rilski”, vol. 44-45, 2002, Годишник на Минно-геоложкия университет "Св. Иван Рилски" - София. ISSN 1312-1820. - 44-45, 2 (2002), с. 19-21 , УДК 658.286.2:625.3, COBISS.BG-ID, 1178448356, Sofia, р.19-23
24. Todorov S., M. Zhiponov, Infrastructure projects under European program ISPA Plovdiv– Svilengrad, International Conference UACEG2009: Science & Practice, Sofia, 29-31.10.2009, Annual of UACG, ISSN 1310-814X (print); ISSN 2534-9759 (online), v.XI Bridges and Transportaion constractions pp.239-247, COBISS.BG-ID – 1120880100, https://plus.bg.cobiss.net/opac7/bib/1120880100#full
25. Sentova E., S. Todorov, B. Belev, P. Pavlov, V. Radulov, S. Vasileva, Y. Merdzhanova, Development of tools (instruments) for evaluating the work of teachers and the quality of teaching, “Annual of UACG”, ISSN 1310-814X (print); ISSN 2534-9759 (online), Vol. XLVII, Issue no. IV, 2015 Sofia, pp. 41-53, COBISS.BG-ID – 1120880100, https://plus.bg.cobiss.net/opac7/bib/1120880100#full
26. Sentova E., S. Todorov, B. Belev, P. Pavlov, V. Radulov, S. Vasileva, Development of components of a career development system, “Annual of UACG”, ISSN 1310-814X (print); ISSN 2534-9759 (online), Vol. XLVII, Issue no. IV, 2015 Sofia, pp. 53-61, https://plus.bg.cobiss.net/opac7/bib/1120880100#full
27. Todorov S., Railway service of large shippers, Annual of UACG, ISSN 1310-814X (print); ISSN 2534-9759 (online), Sofia, Volume 51, Issue no. 7, 2018, p. 81-92, https://www.uacg.bg/UserFiles/File/UACEG_Annual/2018/7.pdf
28. Todorov S., K. Kutzrarova-Dimitrova, M. Iliev, Investigation of the factors determining the safety of trains in braking mode, Annual of UACG, ISSN 1310-814X (print); ISSN 2534-9759 (online), vol.53, Issue no.3, 2020 Sofia, pp. 755-774, https://uacg.bg/UserFiles/File/UACEG_Annual/2020/Брой 3/16-T-5.pdf
Reports in International conferences outside of Bulgaria
29. Todorov S., Application of method of Runge – Cuta - Feldberg for solve of equation for train movement, IV Science conference, Sankt Petersburg, 29-30.06.1999, pp. 145-150, http://library.pgups.ru/jirbis2/index.php?option=com_irbis&view=irbis&Itemid=108
30. Todorov S., State and problems at transition curves for tramway track in Sofia, Science conference, Transport XXI century, ISSN 0866-9546, e-ISSN 2300-8830, 19-21.09.2001, Warsaw, pp. 289-294.
31. Nikolov V., Todorov S., Ivanov R, Structural changes in Bulgarian railways 2003, Zilina, Slovak Republic, 27-28 may 2003, рp.60-65
32. Todorov S., Topical condition of railway infrastructure in Bulgarian with view of destruction from highly level of water in summer of 2005, report to TU Vienna, 05.2006, pp.1-14
33. Todorov S., Bulgarian experience of high-speed railways, report to XIII international Scientific conference RAILCON'08, Niz, Serbia, CD, 9-10 November 2008, pp.37-40
34. Todorov S., Safety measures for level crossing, 11-th International conference on “Forum of rail transport”, Bratislava, h-l „Hilton“, 17 - 18 March 2015 г., pp. 71-75
35. Todorov S., New structures for tram lines in Sofia, 15-th Forum of rail transport, Bratislava, h. Double Tree by Hilton, 19 - 20 March 2019 г., рp. 71-76
Reports in International conferences in Bulgaria
36. Mirchev M., Lazarov K., Ivanov B., Todorov S., Railway switch type 49-1&9-R=300 m on reinforced concrete sleepers, international scientific conference at VVTU, Sofia, 1989;
37. Todorov S., Parabola of IV-th power, like transition curve, VI international scientific conference, VVTU, Sofia, 10-112.11.1993;
38. Todorov S., Mass of passenger and goods trains, VII-th international scientific conference of VVTU, 17-18.11.1994;
39. Todorov S., Fuller using of power possibility of electrical locomotives at designing of railways, VIII-th international scientific conference of VVTU, 16-17.11.1995;
40. Todorov S., For joint of elements of longitudinal section, IX, international scientific conference, TEMPRT’96, 02.11.1996;
41. Todorov S., Energy evaluation of longitudinal section, report at X-th international scientific conference, TEMPRT’97, NTS, Sofia, 1997,
42. Todorov S., Ecological aspects at designing of railway lines, 1997, Sofia, p. 13-15
43. Todorov S., Harmful factors at environment at designing and operating of railways, international scientific conference’99, Russe, НАУЧНИ трудове – Русенски университет “Ангел Кънчев" = Научные труды.... – Русе, 1999- Заб.: Продължение на Научни трудове - Висше техническо училище "Ангел Кънчев" - Русе ISSN 0205-3322 7-8.10.1999 г. Русе, ISBN 1311-3321 (print) 2603-4123 (online) 7-8.10.1999;
44. Todorov S., Nikolov V., Technology of repairs and maintenance of inside transport in MK – Debelt, VII international scientific conference, MOTOAUTO, Sofia, vol. II AUTOMOBILES, TRANSPORT, INFRASTRUCTURE AND AIRCRAFTS, 18-20.10.2000, р. 89-91
45. Todorov S., State and perspectives for development of I-st railway lines, VII international scientific conference, MOTOAUTO, Sofia, vol. II AUTOMOBILES, TRANSPORT, INFRASTRUCTURE AND AIRCRAFTS, 18-20.10.2000, р.92-95
46. Nikolov V., Todorov S., Inside automobile transport – ordinary and special in heavy industry, VII international scientific conference, MOTOAUTO, Sofia, vol. II AUTOMOBILES, TRANSPORT, INFRASTRUCTURE AND AIRCRAFTS, 18-20.10.2000, p. 153-155
47. Todorov S., R. Valkov, Strategically requirements at designing of reconstruction and electrification sections of I-st railway, international scientific conference’2001, VVOVU “V. Levski” 21-22.06.2001;
48. Todorov S., Rise-to-distance ratio and transition for tramways in Sofia, international scientific conference, VSU2001, Sofia, 29.05-01.06.2001, pp. 50-55
49. Todorov S., Determination of basic resistance of train moving for designing railways, international scientific conference, VSU2001, Sofia, 29.05-01.06.2001, рp.42-49
50. Lepoev M., Todorov S., Place and role of recycle ballast at renovating of railway track, XI-th international scientific conference, TEMPT’2001, Transport in XXI century, VTU “T. Kableshkov”, Sofia, 15-16.11.2001, p. 537-540
51. Todorov S., Requirements at situation of meeting stations of reconstruction and electrification of railways, XI-th international scientific conference, TEMPT’2001, Transport in XXI century, VTU “T. Kableshkov”, Sofia, 15-16.11.2001, pp. 541-544
52. Todorov S., Method for optimization of quantity of ground mass at comparing a designing variants of railways, XI-th international scientific conference, TEMPT’2001, Transport in XXI century, VTU “T. Kableshkov”, Sofia, 15-16.11.2001, pp. 545-550
53. Todorov S., Geometrical scheme and putting into practice of railway switches on reinforced concrete sleepers, international scientific conference, VSU’2002, 29-31.05.2002, ISBN 1314-071X, Sofia, рp. 46-50
54. Todorov S., Standard gauges in railway transport, international scientific conference VCU’ 2003, 30.10-01.11.2003г., Sofia, ISBN 1314-071X, рp. 91-96
55. Todorov S., Standard values of superstructure in railway curves, XІІІ international scientific conference Transport 2003, 13-14.11.2003, Sofia, рp.83-88.
56. Todorov S., Variants for reconstruction of railway section Bojchinovci – Brusarci for 160 km/h, report in international scientific conference VSU’2004, v. ІІ, 20-22.05.2004, Sofia, ISBN 1314-071X, рp.ІV35-38.
57. Todorov S., Technical safe clearance for gauge of railway track, XІV international scientific conference Transport 2004, 11-12.11.2004, VTU “T. Kableshkov”, Sofia, рp.113-116
58. Todorov S., Standard loading to railway track and equipment’s, XІV international scientific conference Transport’2004, 11-12.11.2004, VTU “T. Kableshkov”, Sofia, рp.107-112
59. Todorov S., Adjoining infrastructure of railway connection for 160 km/h, report in International scientific conference VSU’2005, proceedings vol. ІІ, 26-27.05.2005, Sofia, ISBN 1314-071X, рp.ІV62-65.
60. Todorov S., Standard documents and principals for valuation of technical condition of railway track, report in International scientific conference VSU’2005, proceedings vol. ІІ, 26-27.05.2005, Sofia, ISBN 1314-071X, рp.ІV66-70.
61. Todorov S., J. Mishov, Renewal of railway equipment’s in railway station Vidin, report in International Science conference VTU’2005, 10-11.11.2005, Sofia, рp.V46-V50.
62. Todorov S., E. Gueergieva, Modern Transport Solutions in the Maintenance of Sofia Airport, Jubilee scientific conference of UACG, 17-18 May 2007, proceeding, pp.215-230
63. Todorov S., High Speed Lines in Bulgarian Railways, Jubilee scientific conference of UACG, 17-18 May 2007, proceeding, pp.207-214
64. Lepoev M., Todorov S., Recicling of building refuse's generated at area of Sofia, 7-th international Scientific conference SGEM 2007, 10-15 June, Albena 2007, p.154-165
65. Todorov S., Lepoev M., „Technical requirements regarding the compatibility and security of high-speed lines of the railway network in Bulgaria, 11.-12.10.2007, Sofia, Bulgaria UEEIV-Conference and Exhibition with NGSRTE/WTVV/BDZ, Railway-Forum 2007, "Bulgarian Railway in the European Union - Compatibility and Investments".
66. Todorov S., „The implementation of the railway cadres in the railway infrastructure“, 11.-12.10.2007, Sofia, Bulgaria UEEIV-Conference and Exhibition with NGSRTE/WTVV/BDZ, Railway-Forum 2007, "Bulgarian Railway in the European Union - Compatibility and Investments".
67. Todorov S., Georgieva, Analysis of the transport connections of the capital with the Sofia airport in view of the extension of the subway, Jubilee International Scientific and Technical Conference on Tunnel and Metro Constructions Ten years Sofia Metro, 28-29.01.2008, Sofia, Bulgaria, pp.183-190
68. Todorov S., Current status of building of the subways tunnel under the Bosphorus, Jubilee International Scientific and Technical Conference on Tunnel and Metro Constructions Ten years Sofia Metro, 28-29.01.2008, Sofia, Bulgaria, pp.228-233
69. Todorov S., New bachelors programs at area of Transportation construction, 11.-12.10.2007, Sofia, Bulgaria UEEIV-Conference and Exhibition, Railway-Forum 2008, "Modernization of Bulgarian Railways - safety and reliability".
70. Todorov S., Gauges for railways bridges, Third symposium on bridges, Design and construction of bridges, UACEG, FTE, Sofia, 29.05.2009, pp. 154-164
71. Todorov S., Students and teacher’s mobility by program "Erasmus" (experience of faculty of transportation engineering, UACEG), Scientific and Technical Conference, Youth forum 2009, NTU, Sofia, 11.06.2009
72. Todorov S., Construction of railway section Plovdiv-Svilengrad, Phase 1, Krumovo-Parvomay, Scientific Conference BulTrans-2009, Technical University of Sofia, Sozopol, 24-26.09.2009 ISBN 1313-955, p.183-186, http://www.bultrans.org/files/proceedings/bultrans-2009.pdf
73. Todorov S., M. Zhiponov, Infrastructure project under European program ISPA Plovdive – Svilengrad, phase 1, National Conference with international participation European railways lines and strategically directions - some projects in Bulgaria, House of NTU, Plovdiv, 13-14.11.2009, p.1-22
74. Todorov S., V. Popov, Railway upgrading of corridor V Sofia – Kulata in section General Todorov - Kulata, 10-th international scientific conference VSU'2010, ISBN 1314-071X, 03.06.2010
75. Kostadinov N., S. Todorov, Road safety when crossing the railway crossing, national practical conference "Road safety" of Trakia university, Technical College, Yambol, 11.05.2001, ISBN: 978-954-9999-77-8, pр.5-10 Кн 298, pp. 5-10, УДК 656.11(063) COBISS.BG-ID 1245845220 , http://tk.uni-sz.bg/files/Obnoven%20Sbornik%20D1%20-D20%20final.pdf
76. Ivanova M., S. Todorov, Safety of road traffic at level-crossings in Bulgaria, national practical conference of Trakia university, Technical College, Yambol, 11.05.2011, p.11-16, ISBN: 978-954-9999-77-8, стр. 11-16 Кн 298, pp. 11-16, УДК 656.11(063) COBISS.BG-ID 1245845220 , http://tk.uni-sz.bg/files/Obnoven%20Sbornik%20D1%20-D20%20final.pdf
77. Todorov S., Access of people with disabilities to public transport, 11th international scientific conference VSU' 2011, Proceedings 2-3 June 2011, ISBN 1314-071X, VI120-125
78. Todorov S., Main trends for the development of Sofia railway junction, 11th international scientific conference VSU' 2011, Proceedings 2-3 June 2011, ISBN 1314-071X, VI-126-130
79. Todorov S., Problem for minimum distances between sections with changes in curvature in design of railway lines, 20-th international scientific conference of VTU "T. Kableshkov", V65-69, Academic journal, mechanics, transport communications, ISSN 1312-3823, issue 3, 2011, article №0545, http://www.mtc-aj.com/conf_2011/dok_545.pdf
80. Todorov S., K. Kucarova, Sress condition and work of pillar for cableways, 12th international scientific conference VSU' 2012, Proceedings 7-8 June 2012, pp.VI-25-30, http://www.vsu.bg/k2012bg/IV-page_v_x.pdf
81. Todorov S., S. Aleksandrova, Reconstruction and renovation of railway station Kazanlak, 12th international scientific conference VSU' 2012, Proceedings 7-8 June 2012, ISBN 1314-071X, pp.VI-31-36
82. Todorov S., G. Mihailova, Scheme and place of railway transport in general plane of industrial enterprise “Neochim” AD, 12th international scientific conference VSU' 2012, Proceedings 7-8 June 2012, ISBN 1314-071X, pp. VI-37-42
83. Schoebel A., S. Todorov, Simulation of railway operation for estimation of demand on railway infrastructure, International Jubilee Conference UACEG2012, ISBN 978-954-724-049-0, 15-17 November 2012, vol. 3, pp.231-236, https://publik.tuwien.ac.at/publist.php?nojava=0&perstissid=41832&ext=1&lang=1
84. Todorov S., I. Ivanov, Transportation schedule and place of railway transport in the general plan of largest industrial enterprise “Kaolin” AD, International Jubilee Conference UACEG2012, ISBN 978-954-724-049-0, 15-17 November 2012, vol. 3, pp.255-260
85. Todorov S., "Integrated public transport" by regional development program of the EU, 1 National and 10 European conference with international participation "Modern options and strategy for development of the transport infrastructure of the city of Sliven in the programming period 2014 +" June 26, 2013, Sliven, 24 pages, http://www.euroarch.eu/dpp2013.htm
86. Rasimova A., Todorov S., Level crossing with barriers at the town of Asenovgrad. European Trends in the road safety, Journal of the Technical University – Sofia, Plovdiv branch, Bulgaria, “Fundamental Sciences and Applications” Vol. 19, 2013, International Conference Engineering, Technologies and System, TECHSYS 2013, Bulgaria
87. Todorov S., Opportunities for the development of the railway juvction Burgas related to a project for integrated urban transport under OP “Regional development”, 21-th international scientific conference of VTU "T. Kableshkov", UACEG2012, ISBN 1312-3823, proceed 11, num. 3 10-13 October 2013, рp. VIII-1-6
88. Todorov S., Current projects for transportation infrastructure - horizon 2020 AutoDesk seminar entitled: Innovative solutions for designing new rehabilitation and reconstruction of existing road infrastructure, 25 November, Hilton Sofia
89. Todorov S., Transport corridors in the Balkans and connectivity corridor 8, International scientific conference VSU' 2014, 5-6 June 2014, ISBN 1314-071X, Proceedings, volume 3, рp. I-31-36
90. Todorov S., Problematical design of variants in the section Karnobat - Lozarevo, International scientific conference VSU' 2014, 5-6 June 2014, ISBN 1314-071X, Proceedings, volume 4, р. I-363-368
91. Todorov S., М. Ivanova, Passive road safety measures when crossing railroad crossing, 7-th national conference on roads with international participation, Nesebar, Sunny batch, „Iberostar“, 08 - 12 October 2014 г., pp. 1-9
92. Todorov S., Train running on horizontal curves – the cant deficiency and excess, 14 Int. railway forum “Transport Equipment and building technologies in transport“ , TU "Т. Каблешков", 18-19 September 2014, ISSN 1312-3823, tom 12, N 3/3, Year 2014, р. VIII-9-15, http://www.mtc-aj.com/academic-journal.php?lang=en
93. Todorov S., Possibilities for development of railway Sofia-Plovdiv via Panagyurishte, International scientific conference VSU' 2015, 5-6 June 2015, ISBN 1314-071X, Proceedings, volume 4, рp. I-298-302
94. Victorov D., S. Todorov, Current development of integrated urban transport (tram green), 8-th NK by roads with international participation, t. Nesebar, h. „Sol Nesebar resort“, 30 Sept. - 02 Oct. 2015, рp.1-13
95. Todorov S., I. Ianakiev, Development of railways of city Pleven, 22-th International scientific conference of VTU „Т. Kableshkov“, Borovec, h. „Samokov“, 08 - 10 Oct. 2015, Issue part 3, pр. 67-71, https://mtc-aj.com/article.1228.htm
96. Todorov S., V. Popov, Studying the geometrical parameters of one-level crossing points of roads and railways, when renovating the railways. (Problems and solutions from railways Ilientsi-Kurilo and Kurilo-Rebrovo), X-th National transport infrastructure conference with international participation“, Nesebar, 12-14 Oct. 2017, р. 1-13
97. Todorov S., Rail service large shippers, International Jubilee Scientific Conference “75th Anniversary of UACEG”, Sofia, 01 - 03 Nov. 2017, р. 1-12
98. Todorov S., Development of railway junction Sofia based on the project for renovation of railway sections: „Voluiak station – Birimirci station“, „Sofia station via Sofia north – Ilianci station“ и „Kazichene station via Musachevo – Stolnik station“, „XI-th National transport infrastructure conference with international participation“, Nesebar, 12-14 Oct. 2017, р. 1-13
99. Todorov S., EXCLUDED FROM THE NORMS AND REQUIREMENTS OF THE PROJECT FOR DEVELOPMENT OF THE RAILWAY JUNCTION SOFIA, CONTRACT 1, XVIII annuarsary international scientific conference construction and architecture VSU’2018, VSU "L. Karavelov", 18-20 October 2018, ISBN 1314-071X, vol. 1, part 7-9
100. Todorov S., D. Mihaylov, Application of modern technologies and developments in the reconstruction of "Graf Ignatiev" Blvd., III International scientific conference “Industry 4.0”, Bulgarian Scientific-Technical Union, 12-15 December 2018, ISSN (print) 2534-8582
101. Todorov S., „ Training for the construction industry with a view to industry 4.0“, forum EDA 10 European scientific conference on condition and processes on investment, planning, build-up and development of building industry 2020+ VISEGRAD+ May 15-16 2019, Sofia, Bulgaria, ISBN 978-80-87159-53-8
Edited standarts:
1. BDS EN 13803-1 Railway applications - Track - Track alignment design parameters - Track gauges 1435 mm and wider - Part 1: Plain, 2010 г., p.70
2. BDS EN 13803-2+A1 „Railway applications - Track - Track alignment design parameters - Track gauges 1435 mm and wider - Part 2: Switches and crossings and comparable alignment design situations with abrupt changes of curvature“, 2011 г., p.51
3. BDS EN 15877-1 “Railway applications - Marking on railway vehicles - Part 1:Freight wagons”, 2016, p. 138
Edited dissertations, monographs, books and students:
1) "Geometric track survey of the track",, opinion for dissertation assignment for award of educational and scientific degree "doctor" in scientific specialty 02.15.11 "Design, construction and maintenance of railways and facilities" of Assis. Vladimir Plamenov Popov from UACG, Department of Railways, 2018
2) "Analysis of the possibilities for improvement of the durability of the construction of the city rail track", opinion on the dissertation for awarding the educational and scientific degree "doctor" in the scientific field 02:15:11 "Design, construction and maintenance of railways and facilities" Eng. Vladimir Zlatanov Jekov of VTU "Todor Kableshkov" Department "Transport Construction and facilities" Vladimir Zlatanov Zhekov from "Todor Kableshkov" University of Transport, Department of Transport Construction and Facilities, 2018
3) Review in a competition for occupation of academic position "Professor" in the professional field of 5.7. Architecture, Civil Engineering and Geodesy, the scientific specialty in "Design, construction and maintenance of railways and equipment’s" announced in the State Gazette 38/25.05.2015 and on web-site of the University for the purpose of department "Railways" with a candidate Assoc. Prof. PhD Eng. Darina Nikolaeva Nitova, 2015.
4) Review for Journal of Rail and Rapid Transit, Reliability Analysis of Switches and Crossings: A Case Study in Swedish Railway, Behzad Ghodrati, Stephen Mayowa Famurewa, Alireza Ahmadi, Hadi Hoseinie, 2015
5) Review in a competition for occupation of academic position "Professor" in the professional field of 5.7. Architecture, Civil Engineering and Geodesy, the scientific specialty in "Design, construction and maintenance of streets, roads and equipment’s," announced in the State Gazette 67/30.07.2013 and on web-site of the University for the purpose of department "Roads" with a candidate Assoc. Prof. PhD Eng. Rumen Angelov Milanov, 2014.
6) Review in a competition for occupation of academic position "Assoc. Professor" in the professional field of 5.7. Architecture, Civil Engineering and Geodesy, the scientific specialty in "Design, construction and maintenance of streets, roads and equipment’s," announced in the State Gazette 67/30.07.2013 and on web-site of the University for the purpose of department "Roads" with a candidate Senior Assistant. of Prof. PhD Eng. Valentin Veselinov Nikolov, 2014.
7) Nitova D., Stations, station installations and railway operation, UACG, student’s book, 2013. Sofia, 390 pages, review
8) Review in a competition for occupation of academic position "Professor" in the professional field of 5.7. Architecture, Civil Engineering and Geodesy, the scientific specialty in "Design, construction and maintenance of streets, roads and equipment’s," announced in the State Gazette 54/15.07.2011 and on web-site of the University for the purpose of department "Roads" with a candidate Assoc. Prof. PhD Eng. Petar Stefanov Trifonov, 2011
9) Review in a competition for occupation of academic position "Professor" in the professional field of 5.7. Architecture, Civil Engineering and Geodesy, the scientific specialty in "Design, construction and maintenance of streets, roads and equipment’s," announced in the State Gazette 54/15.07.2011 and on web-site of the University for the purpose of department "Roads" with a candidate Assoc. Prof. PhD Eng. Nikolay Gamchev Mihailov, 2011 г.
10) Dencheva Zl., Lepoev M., Pishmirov S., V. Popov, Guidelines for the development of a student’s project on railway construction, guide for students from the University, 2008 Sofia, 137 pages, review
11) Review in a competition for receipt of the academic title "Associate Professor" in a scientific specialty 02.15.11 "Design, construction and maintenance of railways and equipment’s (stations, station installations and rail operation) declared needs of the Department "Railways" in UACG in State Gazette №. 42 of 29.05.2007, with a candidate Dr. Eng Darina Nikolaeva Nitova, 2008
12) Tasev J., D. Nitova, Stations, station installations and railway operation, UACG, students book 2007 Sofia, 208 pages, review
13) Review in a competition for receipt of the academic title "Associate Professor" in a scientific specialty 02.14.05 "Management and operation of railways (Technologies in railway stations and junctions)" for the needs of the Department "Railways technology", Technical University - Sofia, announced in State Gazette 32 of 25 March 2008 Dr. Dimitar Nikolov Dichev, 2008
14) Complete optimization of track developments stations for high speeds of movement, the review of doctorate for awarding educational and scientific degree of PhD in scientific specialty 02:15:11 "Design, construction and maintenance of railways and equipment’s" of Chief Assistant of Professor Eng. Darina Nikolaeva Nitova, Assistant from the UACG, Department "Railways", 2006
15) Determining the optimal number, location and technical equipment of the stations on the railway corridors, review of dissertation for awarding educational and scientific degree "PhD" in scientific specialty 02.14.05 "Management and Operation of rail transport" of a Eng. Dimitar Nikolov Dichev, 2004