Leading fossils of oil regions of the Crimean-Caucasus region.3-4.Karagansk and Conksky horizons

Guiding fossils of the oil regions of the Crimean-Caucasus region = Characteristic Fossils of the Oil Distribs of the Crimea and Caucasus / Ed.Acad.HELL.Arkhangelsk and L.Sh.Davitashvili.- Moscow: [B.And., 1931-1933].- (works of the State Research Oil Institute).I. Davitashvili, L.Sh .. II.Arkhangelsky, A.D..1.Territory (collection).Electronic copy source: PBOriginal storage location: East Crimean Ikmz3-4: Karagansk and Conksky horizons = Fossils of the Karagan Beds.Fossils of the Konka Beds / Comp.S.S.Osipov.- Moscow ;Leningrad: Onti NCTP of the USSR State.Scientific-techno.oil.Publishing House, 1932. -82, [2] p., 5 l.Il.: il., table .. -Paralle.region.in English.ulcer.Bibliogr.in the text..I. Osipov, S.S. 1.Territory (collection).Electronic copy source: PBOriginal storage location: East Crimean Ikmz