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Borisyak, Alexey Alekseevich (1872-1944).
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Course of Historical Geology: (Geol. Periods): From Atl. kart. and Fig. A. Borisyak. - Санкт-Петербург: Гос. publishing house, 1922. -XVI, 452, 35 p. : maps., features .. - Pointer geol. titles: p. 444. - Index geogr. titles: p. 433.
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Source of the electronic copy: PB |
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