共 40 条
[6]
BARTLETT S., 1934, Journal of Dairy Research, V5, P113, DOI 10.1017/S0022029900000984
[7]
BARTLETT S., 1959, Int. Dairy Congr., V1, P135
[10]
COBBLE JW, 1951, MISSOURI AGR EXPT ST, V485