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ETHBIBRauhreif auf dem gefrorenen Murtensee v. S. W. aus mInlandflgeLBS MH.tif cm exhibition history Institution ETHBibliothek Fotografie Glasplattennegativ object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Rauhreif auf dem gefrorenen Murtensee aus Uploaded with GWToolset