Stevanović, P. M.; Iljina, L. B. (1982). Stratigrafiya meotisa Vostochnoy Serbii i sosednykh regionov no mollyuskam [Stratigraphy of the Maeotian of eastern Serbia and neighboring regions based on molluscs]. Bulletin de l'Academie serbe des sciences et des arts, classe des sciences naturelles et mathématiques. Sciences naturelles. 23: 105-136.
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Stevanović, P. M.; Iljina, L. B.
1982
Stratigrafiya meotisa Vostochnoy Serbii i sosednykh regionov no mollyuskam [Stratigraphy of the Maeotian of eastern Serbia and neighboring regions based on molluscs]
Bulletin de l’Academie serbe des sciences et des arts, classe des sciences naturelles et mathématiques. Sciences naturelles