共 26 条
[2]
ALLEN L. A., 1934, JOUR DAIRY RES, V5, P185
[3]
DAVIS J. G., 1935, JOUR DAIRY RES, V6, P175
[5]
Evans AC, 1914, J AGRIC RES, V2, P167
[6]
FEAGAN J. T., 1959, AUSTRALIAN JOUR DAIRY TECHNOL, V14, P59
[8]
FRANKLIN JG, 1962, 16 P INT DAIR C COP, P305
[9]
HARDING HA, 1908, 8 NEW YORK AGR EXPT
[10]
HARRISON J, 1938, 1938 P SOC AGR BACT, P12