1
2
3
4
5
6
7
8
9
Published 1993
“...Theorie und Praxis...”
Book
10
11
12
13
14
15
16
17
Published 2000
“...Schriftenreihe Theorie und Praxis...”
Book
18
19
Published 1999
“...Schriftenreihe Theorie und Praxis...”
Book
20
Published 2001
“...Schriftenreihe Theorie und Praxis...”
Book