Showing 1 - 5 results of 5 for search 'Helbling, Robert, 1874-', query time: 0.12s Refine Results
  1. 1
    Photogeologische Studien ; im Anschluss an geologische Kartierungen in der schweiz insbesondere der Todikette /
    by Helbling, Robert, 1874-
    Published 1948

    Book
  2. 2
    Studies in photogeology in connection with geological mapping in Switzerland, specifically of the Tödi Range. /
    by Helbling, Robert, 1874-
    Published 1949

    Book
  3. 3
    Die Erzlagerstätten des Mont Chemin bei Martigny im Wallis /
    by Helbling, Robert, 1874-
    Published 1902

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Thesis Book
  4. 4
    I. Die Anwendung der Photogrammetrie bei geologischen Kartierungen mit einer Übersichtskarte, 20 Tafeln (1-20) und 17 Textfiguren;
    by Helbling, Robert, 1874-
    Published 1938

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  5. 5
    Studies in photogeology in connection with geological mapping in Switzerland, specifically of the Tödi Range

    Book
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