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ETHBIBNaz Bergn Piz Palpuogna Albulatal mit BerninapassInlandflgeLBS MH.tif cm exhibition history Institution ETHBibliothek Fotografie Glasplattennegativ object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Naz Bergn Piz Palpuogna Albulatal mit Berninapass Uploaded with GWToolset