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by Trappel, Josef, Meier, Werner A., Schrape, Klaus, Wölk, Michaela
Published 2002
Published 2002
VS Verlag für Sozialwissenschaften
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by Otto, Ulrich, Schmid, Josef, Mansour, Julia, Plank, Sven
Published 2003
Published 2003
VS Verlag für Sozialwissenschaften