1
2
3
4
5
Published: Frankfurt am Main : Lembeck, 2001.
Book
6
Published: Köln : PapyRossa-Verl, [1993].
© 1993.
© 1993.
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7
Book
8
9
Published: Hannover : Niedersächsische Landeszentrale für Politische Bildung, 1992.
Bonn, 1992.
Bonn, 1992.
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10
11
12
Published: Opladen : Leske + Budrich, 2000.
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13
Published: London [u.a.] : Cass, 1993.
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14
15
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16
Book
17
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18
Book
19
Published: Opladen : Leske + Budrich, 1995.
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20
Book