Author:
Title: Mededelingen Geologische Stichting, Nieuwe Serie Nr. 9; 4 papers: Dijkstra, S.J.:Some Brazilian Megaspores, Lower Permian in age and their comparison with Lower Gondwana spores from India /&/ MacGillavry, H.J.:Two evolving species of the genus Lepidorbito
Description: 1955, 89 pp. many figs./plts. 2 fold. encl. Orig. wrappers, 4to.

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