Popov, G.I. (1970). O pozdnepliotsenovykh mollyuskakh Bashkirskogo Preduralʹya i ikh znacheniye dlya stratigrafii [On late Pliocene mollusks of the Bashkirian Cis-Urals and their significance for stratigraphy]. In: Kaynozoy Bashkirskogo Preduralʹya, Tom II, Chast' 3. Nauka, Moskva, pp. 108-121.
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Popov, G.I.
1970
O pozdnepliotsenovykh mollyuskakh Bashkirskogo Preduralʹya i ikh znacheniye dlya stratigrafii [On late Pliocene mollusks of the Bashkirian Cis-Urals and their significance for stratigraphy]
In: Kaynozoy Bashkirskogo Preduralʹya, Tom II, Chast’ 3. Nauka, Moskva, pp. 108-121.