V. Westhoff
发表
V. Westhoff,
1972
.
V. Westhoff,
C. G. V. Leeuwen,
1966
.
S. Segal,
V. Westhoff,
Unter Mitwirkung von J. van Dijk,
1959
.
V. Westhoff,
L. Steubing,
1966,
Vegetatio.
V. Westhoff,
J. Schaminée,
C. Hobohm,
1993
.
V. Westhoff,
J. Schaminée,
K. Sykora,
1983
.
V. Westhoff,
1974
.
H. Hess,
E. Landolt,
Rosmarie Hirzel,
1968
.
V. Westhoff,
1958
.