共 22 条
[1]
BRANDT AE, 1938, 234 IOW AGR EXPT STA
[2]
BREIDENSTEIN CP, 1960, J DAIRY SCI, V43, P443
[3]
BRODY S, 1958, 578 MISS AGR EXPT ST
[4]
BRODY S, 1948, 423 MISS AGR EXPT ST
[5]
COBBLE JW, 1951, 485 MISS AGR EXPT ST
[6]
DAVIS AV, 1960, J DAIRY SCI, V43, P871
[7]
HANCOCK J., 1954, Dairy Science Abstracts, V16, P89
[8]
HANCOCK J, 1952, ANN RPT DEPT AGR NEW, P42
[10]
JOHNSON HD, 1961, J ANIMAL SCI, V29, P974