R. Greer
发表
R. Greer,
1984
.
Oscar R. Burt,
O. R. Burt,
W. A. Yager,
1980
.
R. W. Whitman,
R. Greer,
R. B. Staigmiller,
1983,
Journal of animal science.
R. Greer,
J. Urick,
M. Frank,
1989
.
R. Short,
R. Greer,
R. B. Staigmiller,
2021,
Factors Affecting Calf Crop.
J. Parrish,
R. Greer,
R. B. Staigmiller,
1992,
Journal of Animal Science.
R. W. Whitman,
R. Greer,
R. R. Woodward,
1980
.
R. Greer,
J. Urick,
1988
.
R. Greer,
J. Marsh,
Loftus O. Ndzinge,
1984
.