共 26 条
[1]
[Anonymous], 1975, OFFICIAL METHODS ANA
[2]
BACHMAN KC, 1976, J ASSOC OFF ANA CHEM, V59, P1146
[5]
BRUMBY PE, 1977, 72ND PROGR ANN M AM, P128
[6]
DIJKSTRA N D, 1969, Netherlands Journal of Agricultural Science, V17, P27
[7]
DUNKLEY WL, 1977, J DAIRY SCI, V60, P50
[9]
FIGROID WC, 1971, DISST ABSTR INT, V32, pB7
[10]
GOERING HK, 1970, 379 US DEP AGR HDB, P8