R. Smith
发表
A. P. Iskrant,
R. Smith,
1969,
Public health reports.
R. Smith,
1967,
Federation proceedings.
R. Smith,
1977
.
R. Smith,
1970
.
R. Smith,
1967
.
R. Grummer,
B. Muggenburg,
W. Hoekstra,
1966,
Journal of the American Veterinary Medical Association.
D. Keiper,
R. Smith,
1965,
The American journal of medical electronics.