1
by Baron, Gerd, Kirschenhofer, Peter
Published 1990
Springer Vienna

2
by Baron, Gerd, Kirschenhofer, Peter
Published 1989
Springer Vienna

3
by Baron, Gerd, Kirschenhofer, Peter
Published 1996
Springer Vienna

4
by Baron, Gerd, Kirschenhofer, Peter
Published 1992
Springer Vienna