Author:

Umnova,N.I.

Year:

1975

Title:

Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic

Foreign title:

Akritarkhi Ordovika i Silura Moskovskovi Sineklizy i Prebaltiki

Reference:

Umnova,N.I. (1975) Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic [ Akritarkhi Ordovika i Silura Moskovskovi Sineklizy i Prebaltiki ] Izdatelstvo Nedra,Moscow P. 1- 167

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