1
Published: Berlin [u.a.] : Dietz, 1988
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2
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4
Published: Hamburg : Buntbuch-Verl, 1981.
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5
Published: [München] : Hanns-Seidel-Stiftung, 1994
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6
Published: Opladen : Leske + Budrich, 1993
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7
8
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9
10
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11
Published: München : Hanser, 1971
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12
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13
Published: Duisburg : DISS, 1994
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14
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