Hartmut Weule
发表
Hartmut Weule,
Lukas Loffler,
1988,
SGCH.
Dieter Spath,
Hartmut Weule,
Hans-Joachim Schelberg,
1994
.
Hartmut Weule,
Dieter Spath,
Uwe Schauer,
1994
.