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Andreas Brumby, Peter Braumann, Klaus Zimmermann, Francis Van Den Broeck, Thierry Vandevelde, Dan Goia, Hermann Renner, Günther Schlamp, Klaus Zimmermann, Wolfgang Weise, Peter Tews, Klaus Dermann, Alfons Knödler, Karl-Heinz Schröder, Bernd Kempf, Hans Martin Lüschow, Cartrin Peter, Rainer Schiele (2005), "Silver, Silver Compounds, and Silver Alloys", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, doi:10.1002/14356007.a24_107.pub2