C. S. Piper
发表
F. Kögler,
R. S. Barnett,
H. Riehm,
1935
.
C. S. Piper,
1942,
The Journal of Agricultural Science.
C. S. Piper,
2010
.
C. S. Piper,
Clarence Sherwood Piper,
M S Anderson,
1943,
Nature.
C. S. Piper,
1931,
The Journal of Agricultural Science.
C. S. Piper,
R. S. Beckwith,
1948
.
C. S. Piper,
1940
.
C. S. Piper,
1944,
Nature.
C. S. Piper,
1932,
The Journal of Agricultural Science.
C. S. Piper,
1941,
The Journal of Agricultural Science.