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by Kopfermann, Hans, Seidl, Franziska, Schmitz, Georg, Schoene, Heinz
Published 1955
Published 1955
Vieweg+Teubner Verlag
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by Bussmann, Ulrike, Esch, Karin, Stöbe-Blossey, Sybille
Published 2003
Published 2003
VS Verlag für Sozialwissenschaften