1
2
3
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4
Published: Münster [u.a.] : LIT, 1994
Book
5
6
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7
Published: Berlin : Akad.-Verl, 1995
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8
Published: Köln : Bund-Verl, 1994
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9
10
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11
Published: Gerlingen : Bleicher, 1987
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12
13
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14
15
16
17
Published: Münster u.a. : Lit, 1993
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18
Published: Bochum : Winkler, 1994
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19
20
Published: Leipzig : Benno, 1994
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