Author:

Ushakova,M.V.;Kazmina,T.A.;Tarasova,A.S.;Klimko,S.A.;Kostitsina,R.R.;Voitsel,Z.A.;Ivanova,E.A.;Markova,L.G.

Year:

1957

Title:

Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor)

Foreign title:

Nizhnii Oligotsen. (In-Stratigrafiya Mezozoya i Kainozoya Zapadno-Sibirskoi Nizmennosti. V.F.Kozyreva,editor)

Reference:

Ushakova,M.V. et al. (1957) Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) [ Nizhnii Oligotsen. (In-Stratigrafiya Mezozoya i Kainozoya Zapadno-Sibirskoi Nizmennosti. V.F.Kozyreva,editor) ] Gosudarstyy Soyuznyy Zapadno-Sibirskiy Nefterazvedochnyy Trest P. 123- 133

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