Likharev B.K. (1968). Scaphopods and gastropods from the Upper Carboniferous and Lower Permian of Southern Fergana. Trudy Vsesoyuznogo Nauchno-Issledovatelskogo Geologicheskogo Instituta. Novaya seriya. 118 pp. [in Russian].
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Likharev B.K.
1968
Scaphopods and gastropods from the Upper Carboniferous and Lower Permian of Southern Fergana