共 40 条
[1]
APPLEMAN RD, 1978, AGR EXT SER U MINNES
[2]
BATH DL, 1978, DAIRY CATTLE PRINCIP
[3]
BODMAN GR, 1981, ASAE813510 AM SOC AG
[4]
CHURCHWARD R. E., 1948, Australian Veterinary Journal, V24, P150, DOI 10.1111/j.1751-0813.1948.tb04651.x
[5]
CLOUD HA, 1980, N CENTRAL REG PUBL, V125
[6]
CRAINE LB, 1970, AGR ENG, V51, P415
[7]
CRAINE LB, 1975, 753033IA I EL ENG
[8]
CRAINE LB, 1980, ASAE803502 AM SOC AG
[9]
CRAINE LB, 1982, ASAE823510 AM SOC AG
[10]
CRAINE LB, 1969, 69165 WASH STAT U RE