共 4 条
[1]
ASCHAFFENBURG R., 1959, Int. Dairy Congr., V5, P1631
[2]
ASH R. W., 1962, Animal Prod., V4, P309
[3]
MYLREA PJ, 1966, RES VET SCI, V7, P333
[4]
MYLREA PJ, 1966, RES VET SCI, V7, P394