00446naa#a2200157#i#450# EN\\bibl\20370 20241115192711.5 1609-3178 20180321b2018####ek#y0engy0150####ca RU Exchange of Experience as Composed Traffic Safety of Trains Journal article Saint-Petersburg LLC SVEN 2018 4 с. Journal article local Nenashev Dmitry A. naukaru.ru