Author:

Naumova,S.N.

Year:

1939

Title:

Spores and pollen of coals of the USSR.

Foreign title:

Spry i pyl'tsa Ugley Sssr.

Reference:

Naumova,S.N. (1939) Spores and pollen of coals of the USSR. [ Spry i pyl'tsa Ugley Sssr. ] Report of the XVII International Geological Congress, Moscow Vol. 1 P. 355- 366

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