00669naa#a2200193#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200007800102210012300180215001100303608002700314675007800341700001700419700001700436856002200453EN\\bibl\5368420240517055134.5##a1992-8181##a20200325b2020####ek#y0engy0150####ca0#aRUS##aRU1#aIssues of training and certification of tugboat captainseJournal article1#aNovorossiyskcBudget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”d2020##a13 с.##aJournal article2local##aБуксировка. Каботажное плавание. 656.618zRUS#1aUstinovgV V#1aSubanovgE E4#aaumsu.editorum.ru