Author: Clayton, G., et al., 1977.:
Title: Carboniferous miospores of Western Europa: illustration and zonation. [Meded. Rijks Geol. Dienst, 29.]
Description: Haarlem 1977. 4to. Pp. 19, 584 microphotos on 25 pls., 2 fold. sheets of diagrs. and tabs. loosely inserted, bibl. Orig. wappers

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