共 11 条
[6]
KLOSTERMAN EW, 1965, OHIO AGR RES DEV CEN, V7, P22
[7]
Mason I. L., 1966, Animal Breeding Abstracts, V34, P453
[8]
PAHNISH OF, 1966, US RANGE LIVESTOCK E
[9]
SAGEBIEL JA, 1967, J ANIM SCI, V26, P889
[10]
SAGEBIEL JA, 1967, J ANIM SCI, V26, P888