V. C. Howard
发表
A. L. Sutton,
V. C. Howard,
1962
.
A. L. Sutton,
V. C. Howard,
1964
.
R. Nachreiner,
V. C. Howard,
M. Willard,
1986,
American journal of veterinary research.
V. C. Howard,
R. P. Thorne,
1967
.