А В Ефимов

• From the History of the Great Russian Geographical Discoveries in the Arctic and Pacific Oceans in the Seventeenth and First Half of the Eighteenth Centuries

  George Alexander Lensen, A V Efimov et al.•ARTICLE•The Far Eastern Quarterly•1952

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• From the History of the Russian Expeditions on the Pacific Ocean (the first half of the 18th century)

  Richard A Pierce, A V Efimov et al.•ARTICLE•The Far Eastern Quarterly•1952

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• From the History of the Great Russian Geographical Discoveries in the Arctic and Pacific Oceans in the Seventeenth and First Half of the Eighteenth Centuries

  George Alexander Lensen, A V Efimov et al.•ARTICLE•The Far Eastern Quarterly•1952

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• From the History of the Russian Expeditions on the Pacific Ocean (the first half of the 18th century)

  Richard A Pierce, A V Efimov et al.•ARTICLE•The Far Eastern Quarterly•1952

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Arctic and Russian Policy Studies (2 works) · Geography (2 works) · Geology (2 works) · History (2 works) · History (2 works) · Marine and environmental studies (2 works) · Oceanography (2 works) · Ancient history (1 work) · Arctic (1 work) · Food Industry and Aquatic Biology (1 work)