F. Knipping
发表
F. Knipping,
1987
.
F. Knipping,
M. Schönwald,
2004
.
F. Knipping,
2010
.
Volker Rittberger,
H. V. Mangoldt,
F. Knipping,
1997
.
F. Knipping,
Rainer Hudemann,
Louis Dupeux,
1994
.