Sergei, B.A. Hydrographic Investigations of the Southeast Kara Sea. Edition 1936. In Russian (ask us if in doubt)/Sergeevskiy, B.A. Gidrograficheskie issledovaniya yugovostochnoy chasti Karskogo morya. Izd. 1936 g. - landofmagazines.com

TransliterationSergei, B.A. Hydrographic Investigations of the Southeast Kara Sea. Edition 1936. In Russian (ask us if in doubt)

In EnglishSergeevskiy, B.A. Gidrograficheskie issledovaniya yugovostochnoy chasti Karskogo morya. Izd. 1936 g.

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