Description Northern Sea Route 12: 12. - 1939. -79, [1] p. : ill., tab. - Bibliography. in the text and a substring. note . 1. Territory (collection). Source of electronic copy: PB Location of original: RGO Publisher Издательство Главсевморпути Collections Territory of Russia → Russia – a maritime power → Development of the Arctic → Northern Sea Route → General section → Northern Sea Route, collection of articles on hydrography and navigation
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