共 20 条
[1]
ANDERSON BK, 1970, J BRIT GRASSLAND SOC, V25, P136
[2]
[Anonymous], 1970, OFFICIAL METHODS ANA
[3]
Barker SB, 1941, J BIOL CHEM, V138, P535
[4]
BRADY C. J., 1960, Journal of the Science of Food and Agriculture, V11, P276, DOI 10.1002/jsfa.2740110509
[7]
GOERING HK, 1970, AGRIC HDB ARS, V379
[8]
GOERING HK, 1973, J DAIRY SCI, V55, P1275
[10]
O'CONNOR A M, 1982, Journal of Animal Science, V55, P317