1
2
3
Published: Bonn, 1994.
Book
4
Published: Frankfurt am Main [u.a.] : Campus-Verl, 2004.
Book
5
Published: Vilsbiburg : Arun, 1991.
Book
6
7
8
Published: Opladen : Leske + Budrich, 1993.
Book
9
Published: Bielefeld : Aisthesis-Verl, 1992
Book
10
11