The book. Author of Y.P. Smirnov Regional Stratigraphy of the upper chalk and the Hits of the North Caucasus and the Caucasus. Stavropol. 1998

The book. Author of Y.P. Smirnov "Regional Stratigraphy of the upper chalk and the Hits of the North Caucasus and the Caucasus". Stavropol. 1998

 

Creation time: 1998 y.

Place of creation: Stavropol

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