1
2
Published: Frankfurt/M : Peter Lang Verlag, 2005
Book
3
4
5
Published: Hamburg : HIS Verlag, 2000
Book
6
Published: Hamburg : HIS Verlag, 2002
Book
7
8
9
Book
10
11
12
Published: Berlin : Metropol Verlag, 1995
Book
13
Published: Berlin : Metropol Verlag, 1994
Book
14
Published: Berlin : Metropol Verlag, 1996
Book
15
Published: Berlin : Metropol Verlag, 1996
Book
16
Published: Berlin : Metropol Verlag, 1996
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17
Published: Berlin : Metropol Verlag, 1995
Book
18
Published: Berlin : Metropol Verlag, 1997
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19
20