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Published: London [u.a.] : Cass, 1997.
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Published: [München] : Hanns-Seidel-Stiftung, 1994
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Published: Stuttgart ; Berlin [u.a.] : Kohlhammer, 1980
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Published: Wien [u.a.] : Europaverl, 1991.
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Published: Bornheim-Merten : Lamuv-Verl, 1980
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