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Published: Bonn, 1994.
Book
3
Published: Opladen : Leske + Budrich, 2000.
Book
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5
6
7
Published: Bonn : Forschungsinst. der Friedrich-Ebert-Stiftung, Abt. Arbeits- und Sozialforschung, 1992.
Book
8
Published: Stuttgart : Enke, 1995.
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Published: Frankfurt ; New York : Campus-Verl, 1996.
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