共 20 条
[1]
[Anonymous], 1975, OFFICIAL METHODS ANA
[2]
BARTON FE, 1981, 14TH P INT GRASSL C, P532
[3]
BENGERA I, 1968, ISRAEL J AGR RES, V18, P125
[4]
GOERING JK, 1970, USDA AGR HDB, V379
[6]
ISAAC RA, 1984, J ASSOC OFF ANA CHEM, V67, P506
[7]
LINDGREN E, 1983, SWED J AGR RES, V13, P229