共 20 条
[4]
BERESKIN B, 1962, J DAIRY SCI, V45, P677
[6]
BURNSIDE DB, 1961, J DAIRY SCI, V44, P1189
[7]
CONLIN BJ, 1966, J DAIRY SCI, V49, P748
[8]
FARICHILD TP, 1966, J DAIRY SCI, V49, P1416
[9]
KELLEHER DJL, 1964, THESIS IOWA STAT U