1
2
Book
3
4
Published: Köln : Volksblatt-Verl, 1993.
Book
5
Book
7
Published: Duisburg, 1991.
Book
8
Published: Berchem : EPO u.a, 1988.
Book
9
Published: Frankfurt am M. : Röderberg, 1978
Book
10
11
12
Book
13