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4
Published: Frankfurt am Main : Haag + Herchen, 1992.
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5
6
7
8
9
10
Published: Tübingen : Hohenrain, 1999.
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11
Published: Hamburg : Spiegel-Verl, 1981
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12
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13
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14
15
Published: Bornheim-Merten : Lamuv-Verl, 1980
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16
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17
Published: München : Hanns-Seidel-Stiftung, 2007
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18
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Published: Göttingen : Lamuv-Verl, 1993.
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