00557naa#a2200169#i#450# EN\\bibl\55097 20241109024106.6 2073-1574 20221117b2022####ek#y0engy0150####ca RU Analysis of guidelines concerning navigation safety Journal article Astrakhan Astrakhan State Technical University 2022 11 с. Journal article local Эксплуатация водного транспорта. 656.6 Liutko Sergei Valerievich vestnik.astu.org