Upper Cretaceous spore-pollen complexes of the Western Siberian Lowlands. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR)
Pokrovskaya,I.M. (1960)
Upper Cretaceous spore-pollen complexes of the Western Siberian Lowlands. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR) [ Verkhnemelovye sporovo-pyl'tsevye kompleksy Zapadno-Sibirskoy Nizmennosti. (In: Atlas verkhne Melovykh Paleotsenorvykh i eotsenovykh sporov pyl'tsevykh kompleksov Nekotorykh Rayonov SSSR.) ] Trudy VSEGEI. Novaya Seriya,(Leningrad)
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