Author: KEHRER, L.
Title: Some observations on the stratigraphy in the states of Tachira and Merida, S.W. Venezuela.
Description: 1938. Reprint Bol. Geol. y Min. II; pp. 44-55, 1 plt. h.t. with geol. sections folding-out. Orig. wrps. with libr. stamp, contentsvery good.

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