Mammals of the Soviet Union
V. G. Geptner · Brill · 1989
Wikipedia
{{cite book |last=Geptner |first=V. G. |title=Mammals of the Soviet Union |publisher=Brill |year=1989 |isbn=9789004088740}}
V. G. Geptner · Brill · 1989
{{cite book |last=Geptner |first=V. G. |title=Mammals of the Soviet Union |publisher=Brill |year=1989 |isbn=9789004088740}}