Ragozin, L. A. (1931). Plastinchatozhabernoye iz uglenosnykh otlozheniy yuzhnoy chasti Kuznetskogo Basseyna [Bivalves from coal-bearing deposits of the southern part of the Kuznetsk Basin]. Trudy Nauchno-issledovatel'skogo ugol'nogo instituta Vostuglya, Seriya G. 1: 1–28.
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Ragozin, L. A.
1931
Plastinchatozhabernoye iz uglenosnykh otlozheniy yuzhnoy chasti Kuznetskogo Basseyna [Bivalves from coal-bearing deposits of the southern part of the Kuznetsk Basin]
Trudy Nauchno-issledovatel’skogo ugol’nogo instituta Vostuglya, Seriya G