1. Raikov R., Organization and management of the railway transport. S., VMEI, 1985
2. Raykov R., Georgiev N., Stoikov D., Berov T., Stoyanov I. Technical exploitation and safety of transport. "Todor Kableshkov" University of Transport, Sofia. 2002.
3. Stoilova S. Organization and Management of Railway Transport, MP Publishing House of TU - Sofia, 2010
4. Razmov Т. Methodology, modelling and traffic forecasts and investments needed of ERTMS implementation into the railway network of Bulgaria, S. S. H. B. Czech Telematic Autumn in Bulgaria, Ed. 2008
5. Dimitrov D., Kirchev T. Task for Operational Management of Transport Posts, Collection of Reports of the 15th Scientific Conference with International Participation TRANSPORT-2005, I-59-I-62