Title: Geologii︠a︡ i neftegazonosnostʹ karbonatnogo paleozoi︠a︡ Nizhnego Povolzhʹi︠a︡ i I︠U︡zhno-Ėmbinskogo raĭona
Subjects: Carbonate Rocks, Stratigraphic Geology, Petroleum, Geology, Carbonate rocks