Efimov A.V. Iz istorii velikikh russkikh geograficheskikh otkrytiy v Severnom Ledovitom i Tikhom okeanakh XVII-y-pervaya polovina XVIII v./A.V. Efimov From the history of great Russian geographic discoveries in the Arctic and Pacific Oceans of the seventeenth-first half of the eighteenth century In Russian - landofmagazines.com

TransliterationEfimov A.V. Iz istorii velikikh russkikh geograficheskikh otkrytiy v Severnom Ledovitom i Tikhom okeanakh XVII-y-pervaya polovina XVIII v.

In EnglishA.V. Efimov From the history of great Russian geographic discoveries in the Arctic and Pacific Oceans of the seventeenth-first half of the eighteenth century In Russian

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