共 7 条
[1]
Arango A. H., 1978, Memoria, Asociacion Latinoamericana de Produccion Animal, V13, P170
[2]
Dodd F. H., 1977, Machine milking,, P179
[3]
Elliott G. M., 1959, Dairy Science Abstracts, V21, P435
[5]
PELISSIER CL, 1978, J DAIRY SCI, V61, P132
[7]
WATKINS P, 1981, DAIRY FMR, V28, P8