TY - JOUR A1 - Bally, A. T1 - La fotogrammetria e le scienze della terra in Isvizzera JO - Geogr. Helv. J1 - GH VL - 4 IS - 2 SP - 115 EP - 116 Y1 - 1949/06/30 PB - Geographisch-Ethnographische Gesellschaft Zürich SN - 2194-8798 UR - https://gh.copernicus.org/articles/4/115/1949/ L1 - https://gh.copernicus.org/articles/4/115/1949/gh-4-115-1949.pdf DO - 10.5194/gh-4-115-1949 ER -