00658naa#a2200169#i#450# EN\\bibl\117092 20260319060456.4 2073-1574 20260317b2026####ek#y0engy0150####ca RU Prospects for the transition of shipping to hydrogen fuel: stages, costs and implementation examples Journal article Astrakhan Astrakhan State Technical University 2026 5 с. Journal article local Водные средства транспорта. Плавучие средства. Судостроение. 629.5 Loginova Elena Anatol'evna vestnik.astu.org