Title: Stratigrafii͡a︡ i korreli͡a︡t͡s︡ii͡a︡ neftegazonosnykh otlozheniĭ devona i karbona Evropeĭskoĭ chasti SSSR i zarubezhnykh stran
Subjects: Geology, Natural gas, Petroleum, Stratigraphic Geology
Places: Europe
Time periods: Carboniferous, Devonian