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