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