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Mammals of the Soviet Union : Geptner, V. G. (Vladimir Georgievich), 1901-1975 : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/stream/mammalsofsovietu11988gept#page/18/mode/2up
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Mammals of the Soviet Union : Geptner, V. G. (Vladimir Georgievich), 1901-1975 : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/stream/mammalsofsovietu11988gept#page/18/mode/2up