1
Published: München : Beck
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2
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3
4
Published: Köln : Stadt Köln, 1995
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5
6
Published: Bielefeld : Kleine, 1996
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7
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10
Published: Wiesbaden : Hessische Landeszentrale für politische Bildung, 1994
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11
Published: Nürnberg, [2005?]
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12
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13
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14
Published: Freiburg i. Br. : Kore, 1990
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15
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19
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20
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