Douglas R. Caldwell
发表
Douglas R. Caldwell,
Frank E. Snodgrass,
Mark H. Wimbush,
1969
.
Douglas R. Caldwell,
Thomas M. Dillon,
P. A. Newberger,
1983
.
Douglas R. Caldwell,
S. A. Eide,
S. D. Wilcox,
1974
.
Han Qin,
Kevin M. Curtin,
Matthew T. Rice,
2013
.
Douglas R. Caldwell,
K. N. Helland,
C. W. Atta,
1972
.
Douglas R. Caldwell,
D. Caldwell,
1978
.
Douglas R. Caldwell,
1976
.
Douglas R. Caldwell,
Douglas R. Caldwell,
2005
.
Douglas R. Caldwell,
Jonathan D. Nash,
James N. Moum,
2002
.
Douglas R. Caldwell,
Clayton A. Paulson,
James N. Moum,
1989
.
Douglas R. Caldwell,
T. M. Dillon,
James N. Moum,
1985
.
Russell S. Harmon,
Douglas R. Caldwell,
Judy Ehlen,
2004
.
Douglas R. Caldwell,
Jonathan D. Nash,
James N. Moum,
1999
.
Douglas R. Caldwell,
D. Caldwell,
1983
.
Douglas R. Caldwell,
James N. Moum,
D. Caldwell,
2001
.