G. D. Williams
发表
R. Desjardins,
W. Baier,
H. Davidson,
1976
.
ESTIMATES OF PRAIRIE PROVINCIAL WHEAT YIELDS BASED ON PRECIPITATION AND POTENTIAL EVAPOTRANSPIRATION
G. D. Williams,
1973
.
E. Wheaton,
R. Stewart,
G. D. Williams,
1988
.
G. D. Williams,
1985
.
G. Horn,
R. Reuter,
G. D. Williams,
2018,
The Professional Animal Scientist.
G. D. Williams,
1974
.
G. D. Williams,
1974
.
C. Moffet,
S. Gunter,
R. Reuter,
2018,
The Professional Animal Scientist.
S. Gunter,
R. Reuter,
S. Place,
2019,
Animal Feed Science and Technology.
G. D. Williams,
K. H. Mackay,
1970
.
Geo. W. Robertson,
G. Robertson,
G. D. V. Williams,
1965
.
G. D. Williams,
P. Mccormick,
M. Joynt,
1975
.
S. Gunter,
R. Reuter,
S. Place,
2019,
Applied Animal Science.
M. I. Sheppard,
G. D. Williams,
J. S. Mckenzie,
1980
.
G. D. Williams,
1969
.
G. D. V. Williams,
G. D. Williams,
1971
.