Author:

Filippova,E.A.

Year:

1957

Title:

Late Oligocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor)

Foreign title:

Stratigrafiya Mezozoya i Kaynozoya Zapadno-Sibirskoy Nizmennosti.

Reference:

Filippova,E.A. (1957) Late Oligocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) [ Stratigrafiya Mezozoya i Kaynozoya Zapadno-Sibirskoy Nizmennosti. ] Gosudarstyy Soyuznyy Zapadno-Sibirskiy Nefterazvedochnyy Trest,Moskv,State Union Western-Siberian Petroleum Survey Trust.(Moscow) P. 123- 133

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