00638naa#a2200193#i#450# EN\\bibl\81852 20250223223159.7 2412-9186 20170625b2017####ek#y0engy0150####ca RUS RU Use photovoltaic modules for powering signaling centralization and blocking devices Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2017 13 с. Journal article local . 621.311.61:656.25 RUS Kushpil Igor Vasilievich But Alexander N itt-pgups.ru