1
Published: Dachau : Deutscher Taschenbuch Verlag, 1994
Serial
2
Published: München : Deutscher Taschenbuch Verlag, 1993
Serial
3
Published: 2006
Book
4
5
Book
6
Book
7
8
9
10
Published: Hatfield : University of Hertfordshire Press, 1999
Book
11
Published: Hatfield : University of Hertfordshire Press, 2006
Book
12
Published: München : Deutscher Taschenbuch Verlag, 1993
Serial
13
Published: 2006
Book
14
Book
15
Published: 2009
Book
16
Article
17
18
Article
19
20