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Чунихина, Г.И. География водных путей. Часть 1 [электронный ресурс]: Учебное пособие / Г.И. Чунихина. — 1. — Москва: Московская государственная академия водного транспорта (МГАВТ), 2015 — 84 с. — ВО - Магистратура. — <URL:https://znanium.com/catalog/document?id=189466>. — <URL:https://znanium.com/cover/0537/537837.jpg>.
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