共 14 条
[3]
EATON HD, 1949, UNPUB J DAIRY SCI
[4]
Eckles CH, 1916, J BIOL CHEM, V27, P313
[6]
KEYES E. A., 1944, Journal of Dairy Science, V27, P638
[7]
MUKHERJEE S. K., 1944, Indian Journal of Veterinary Science, V14, P232
[9]
SNEDECOR GW, 1946, STATISTICAL METHODS