00670naa#a2200181#i#450# EN\\bibl\96362 20250412092640.6 1815-588X 20250321b2025####ek#y0engy0150####ca RU Modelling the “Piston Effect” Caused by a Train Running in the Tunnel Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 12 с. Journal article local Токосъемники для третьего рельса. 621.336.7 Vorob'ev Aleksandr Alfeevich Bogdanov Nikita Vadimovich itt-pgups.ru