Author: Kuyl, O.S., Muller, J., & Waterbolk, H.T., 1955.:
Title: The application of palynology to oil geology with special reference to Western Venezuela.
Description: Geol. en Mijnb., N.S., 17(3): pp. 49-75, several illustr. on 8 plates, 8 (1 fold.) figs., refs. 4to. Journal issue, orig. wrappers.

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