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Rudolf Steiner Design : Spiritueller Funktionalismus - Kunst ; Rudolf Steiner Design: Spiritual Functionalism - Art
KOPS - The Institutional Repository of the University of Konstanz, 2004
BASE - Bielefeld Academic Search Engine , KOPS - The Institutional Repository of the University of Konstanz
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Das Verschwinden der Ausstellung ; The Exhibition Disappears
KOPS - The Institutional Repository of the University of Konstanz, 2007
BASE - Bielefeld Academic Search Engine , KOPS - The Institutional Repository of the University of Konstanz