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Published: Bonn : Dietz, 1993
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Book
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Published: Opladen : Leske + Budrich, 1995
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Published: Opladen : Leske + Budrich, 1993
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Published: Opladen : Leske + Budrich, 1993
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Published: München : Juventa-Verl, 1981
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Published: Bornheim-Merten : Lamuv-Verl, 1980
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