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by Bosch, Aida, Ellguth, Peter, Schmidt, Rudi, Trinczek, Rainer
Published 1999
Published 1999
VS Verlag für Sozialwissenschaften
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by Lutz, Burkart, Nickel, Hildegard M., Schmidt, Rudi, Sorge, Arndt
Published 1996
Published 1996
VS Verlag für Sozialwissenschaften