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ETHBIBBzen aus mInlandflgeLBS MH.tif cm exhibition history Institution ETHBibliothek Fotografie Glasplattennegativ object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Bzen aus Uploaded with GWToolset ETHBIBBzen aus mInlandflgeLBSMH epics ethz ch tif ETHBIB MittelholzerInland