1
Published: Berlin [u.a.] : Dietz, 1988
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3
Published: Hamburg : Buntbuch-Verl, 1981.
Book
4
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5
Published: [München] : Hanns-Seidel-Stiftung, 1994
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6
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7
Published: Wien [u.a.] : Europaverl, 1991.
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8
Published: Hamburg : VSA-Verl, 1986
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9
Book
10
Published: München : Hanser, 1971
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11
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12
13