R. Spencer
发表
R. Hudson,
R. Spencer,
1974
.
R. Spencer,
1973
.
M. Nice,
R. Spencer,
1964
.
R. Hudson,
R. Spencer,
1980
.
R. Spencer,
1982
.
R. Spencer,
F. Anderson,
Harry Bryant,
2013
.
R. Spencer,
1978
.
R. Hudson,
R. Spencer,
1978
.
R. Hudson,
R. Spencer,
1978
.
R. Hudson,
R. Spencer,
1981
.
R. Hudson,
R. Spencer,
1982
.
R. Spencer,
J. Dubois,
1954
.
R. Spencer,
1975
.
R. Hudson,
R. Spencer,
1979
.
R. Spencer,
1976
.
R. Spencer,
1957
.