Author:

Filippova,E.A.

Year:

1957

Title:

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

Reference:

Filippova,E.A. (1957) Late Oligocene (?). (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) Gosudarstyy Soyuznyy Zapadno-Sibirskiy Nefterazvedochnyy Trest,Moskv,State Union Western-Siberian Petroleum Survey Trust.(Moscow) P. 133- 135

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