Author: Larsson, W., 1940.:
Title: Petrology of Interglacial volcanics from the Andes of Northern Patagonia.
Description: Bull. Geol. Inst. Univ. Uppsala, 28: pp. 191-405, 1 fold. photogr. view, 1 col. mp of Cerro Tronador, 60 photosd and figs., refs. Offprint, orig. wrappers.

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