Davitashvili, L.S. (1932). Zametki o problemakh stratigraficheskoy paleontologii kaynozoya Ponto-Kaspiyskoy oblasti [Notes оп some problems of the stratigraphic paleontology of the Ponto-Caspian Cenozoic]. Byulleten' Moskovskogo Obshchestva Ispytateley Prirody, otdel geologicheskiy. 10(1): 124-154.
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Davitashvili, L.S.
1932
Zametki o problemakh stratigraficheskoy paleontologii kaynozoya Ponto-Kaspiyskoy oblasti [Notes оп some problems of the stratigraphic paleontology of the Ponto-Caspian Cenozoic]