1
2
3
4
published 1999
Book
5
10
published 1997
Book Conference Proceedings
11
published 1997
Book Conference Proceedings
12
published 1997
Book Conference Proceedings
13
15
published 1996
Cover, Verlag
Inhaltsverzeichnis
Book
16
published 1996
Inhaltsverzeichnis, Verlag
Book
17
published 1994
Book
18
published 1991
Inhaltsverzeichnis
Book
19
20
published 1989
Journal