Author: Kotlarczyk, J., & Kaczmarska, I., 1987:
Title: Two diatom horizons in the Oligocene and (?) Lower Miocene od the Polish Outer Carpathians.
Description: Ann. Soc. Geol. Polon., 57: pp. 143-188, 101 microphotos on 10 plates, 6 figs. and 4 tabs. in text, refs. Extract, plain new wrappers.

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