Author: KEHRER, L.
Title: Some observations on Cretaceous and precretaceous beds in the south-western and northern central parts of Venezuela.
Description: 1937. Reprint Bol. Geol. y Min. I; pp. 47-70, 4 phot. 5 plts. with figs. h.t. Orig. wrps. with libr. stamp, very good.

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