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Kireeva, G. D. (1949). Псевдофузулины тастубского и стерлитамакского горизонтов погребенных массивов Башкирии - Pseudofusulina from the Tatubskiy and Sterlitamakskiy horizons of the buried Bashkirya Massif. Akademiya Nauk SSR, Trudy Instituta Geologicheskikh Nauk, 105, geologicheskaya seriya. 35: 171-191.