G. Richards
发表
S. Bhattacharya,
J. Harb,
T. Wall,
1995
.
J. D. Lamb,
L. Hansen,
D. Eatough,
1989
.
L. Hansen,
D. Eatough,
G. Richards,
1990
.
J. W. Crawford,
L. Hansen,
D. Eatough,
1989
.
D. Snow,
G. Richards,
A. Mittelstet,
2021,
Agriculture, Ecosystems & Environment.
S. Bhattacharya,
J. Harb,
RajenderKumar Gupta,
1994
.
J. Harb,
G. Richards,
P. N. Slater,
1995
.
John N. Harb,
Galen H. Richards,
J. Harb,
1993
.
L. Hansen,
D. Eatough,
G. Richards,
1988
.
J. W. Crawford,
D. Eatough,
G. Richards,
1988
.
G. Richards,
J. Marion,
C. Maney,
2004
.
J. Harb,
L. Baxter,
G. Richards,
1993
.
Robert D. Lewis,
R. D. Lewis,
Galen H. Richards,
2002
.