共 7 条
[1]
[Anonymous], 1950, OFFICIAL METHODS ANA
[3]
DOLINSKY M, 1954, J ASSOC OFF AGR CHEM, V37, P808
[4]
GRASSO P, 1970, CHEM BRIT, V6, P17
[5]
1961, 3341 BRIT STAND I LO
[6]
1966, SPECIFICATIONS IDENT
[7]
1961, 3340 BRIT STAND I LO