1. 1. EN 15227. Railway applications - Crashworthiness requirements for railway vehicle bodies. Brussels, 2008. 37 pp.
2. 2. Ukrainian State Standard DSTU EN 15227:2015 (EN 15227:2008+A1:2010, IDT). Railway transport. Crashworthiness requirements for railway vehicle bodies. URL: http://document.ua/zaliznichnii-transport_-vimogi-do-udarostiikosti-reikovih-tr-std32262.html (Last accessed: Jan. 28, 2019). (in Ukrainian).
3. 3. Sobolevskaya M. B., Sirota S. A. Basic concepts of passive safety of high-speed passenger trains at crash collisions. Teh. Meh. 2015. No. 1. Pp. 84-96. (in Russian).
4. 4. Naumenko N. Ye., Khyzha I. Yu. Modeling of interaction of the passenger train vehicles, equipped by passive safety, at accidental collision with obstacle. Nauka ta Progres Transportu. 2015. Iss. 4(58). Pp. 163-174. (in Russian).
5. 5. Naumenko N. Yu., Sobolevska M. B., Markova O. M., Kovtun H. N., Horobets D. V., Maliy V. V., Syrota S. A., Khizha I. Yu. Solution to the problems of railway transportation safety improvement and passive protection of a passenger train in emergency collisions. Teh. Meh. 2018. No. 3. Pp. 98-111. (in Russian).