1
2
Published: Weinheim : Beltz, 1974
Serial
3
4
Published: Hamburg : Ergebnisse Verlag, 1991
Serial
5
Published: Weinheim : Beltz, 1978
Serial
6
7
Article
8
Published: Neuendettelsau : Freimund Verlag, 1981
Serial
9
Published: Weinheim : Beltz, 1980
Serial
10
Published: Weinheim : Beltz, 1980
Serial
11
Article
12
Published: Essen : Sutter, 1981
Serial
13
Published: Berlin : Links, 2008
Book
14
Book
15
Book
16
Book
17
Published: Tübingen : Ed. diskord, 1999
Book
18
Book
19
Book
20
Published: Berlin [u.a.] : Argument-Verl, 1998
Book