Muromtseva, A. A. (1978). Materials on the study of microfaunas of Ustilugian Suite (Upper Visean) of the Lvov-Volhynian Carboniferous Basin. Paleontologicheskii Sbornik. 15: 5-9.
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Muromtseva, A. A.
1978
Materials on the study of microfaunas of Ustilugian Suite (Upper Visean) of the Lvov-Volhynian Carboniferous Basin.