Author: SCHREVE-BRINKMAN, E.J.
Title: A palynological study of the Upper Quaternary sequence in the El Abra Corridor and rock shelters (Colombia).
Description: 1978. Diss. Univ. Amsterdam. viii, 109 pp. 16 fig. (4 folding-out), 1 plt. Orig. wrps. very good.

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