共 18 条
[1]
ALYWARD EB, 1980, J DAIRY SCI, V63, P1819
[3]
GRAF TF, 1984, HOARDS DAIRYMAN, V129, P773
[4]
HART EB, 1908, WISCONSIN AGR EXP ST, V156, P1
[5]
Horowitz W., 1980, OFFICIAL METHODS ANA, p15 p
[7]
LUKE HA, 1967, J ASSOC OFF ANA CHEM, V50, P560
[8]
McGann T. C. A., 1972, Laboratory Practice, V21, P628
[9]
SHERBON JW, 1967, J ASSOC OFF ANA CHEM, V50, P542
[10]
SJAUNJA LO, 1984, MILCHWISSENSCHAFT, V39, P288