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ArteF, Zürich (CH) 1 Dec 2012 – 29 Jun 2013
with Stefan Berni, Christoph Brandt, Paul Faiss, Johann Feuerstein, Otto Furter, Jean Gaberell, Romedo Guler, Emil Meerkaemper, Andreas Pedrett, Othmar Rutz, Bartholome Schocher, Gustav Sommer …
