P. V. D. Osten-Sacken
发表
P. V. D. Osten-Sacken,
1973
.
P. V. D. Osten-Sacken,
1975
.
P. V. D. Osten-Sacken,
1969
.
P. V. D. Osten-Sacken,
1982
.
P. V. D. Osten-Sacken,
1969
.
P. V. D. Osten-Sacken,
P. Lenhardt,
1987
.
P. V. D. Osten-Sacken,
1976
.