D. Herd
发表
M. Poore,
W. Kunkle,
J. Johns,
2000
.
D. Herd,
R. Whitson,
D. Parks,
1976,
Journal of Agricultural and Applied Economics.
D. Herd,
L. W. Greene,
P. F. Hardt,
2016
.
D. Herd,
J. Reagor,
Ray Ac,
1984
.
D. Herd,
S. Wikse,
R. Field,
1992,
Journal of the American Veterinary Medical Association.
D. Herd,
L. Sprott,
1998
.
D. Herd,
1997
.
D. Herd,
J. Edwards,
S. Wikse,
2000,
Veterinary pathology.
D. Herd,
J. Thompson,
J. Mcgrann,
1995,
Journal of the American Veterinary Medical Association.
D. Herd,
J. Huston,
S. Lindsey,
1980
.