Helbling, Robert

Birth and Death Dates: 1874-1954

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[Article] Schellenberger, Andreas (2014) Robert Helbling---Pionier der Stereophotogrammetrie in den argentinischen Anden und in der Schweiz. Cartographica Helvetica (pp. 15-26). unapi

[Article] Schellenberger, Andreas (2014) Robert Helbling -- Pioneer of Stereo Photogrammetry in the Andes in Argentina and in Switzerland. Cartographica Helvetica (pp. 15-26). unapi

Authority URI: http://data.isiscb.org/isis/authority/CBA000164621
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