Author:

Chernyavska,S.

Year:

1967

Title:

Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation.

Reference:

Chernyavska,S. (1967) Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation. Abhandlungen des Zentralen Geologischen Instituts # 10 P. 177- 180

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