Author: HELBLING, Robert:
Title: Studies in photogeology. In connection with geological mapping in Switzerland specifically of the Tödi range.
Description: Zürich, Orell Füssli, 1949, in-4°, 137 p. with ca. 13 fig., wrappers. ¶ Please notify before visiting to see a book. Prices are excl. VAT/TVA (only Switzerland) & postage.

Keywords: geology géologie Switzerland Suisse-Générale, Switzerland-general, Schweiz-allgemein photography photographie helvetica, Switzerland helvetica