Title: Nefteproizvodi︠a︡shchie tolshchi i uslovii︠a︡ obrazovanii︠a︡ nefti v mezozoĭskikh otlozhenii︠a︡kh Zapadno-Sibirskoĭ nizmennosti
Subjects: Petroleum, Geology, Stratigraphic Geology
Places: West Siberian Plain (Russia and Kazakhstan)
Time periods: Mesozoic