Vdovenko, M. V. (1962). Some New Species of Foraminifers from the Upper Viséan and Lower Namurian Deposits of Southwestern Central Kazakhstan [in Russian]. Paleontologicheskii Zhurnal - Paleontological Journal. 1: 41-46.
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Vdovenko, M. V.
1962
Some New Species of Foraminifers from the Upper Viséan and Lower Namurian Deposits of Southwestern Central Kazakhstan [in Russian]