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by de Haan, Gerhard, Kamp, Georg, Lerch, Achim, Martignon, Laura
Published 2008
Published 2008
Springer Berlin Heidelberg
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by de Haan, Gerhard, Kuckartz, Udo, Rheingans-Heintze, Anke
Published 2000
Published 2000
VS Verlag für Sozialwissenschaften