共 6 条
[1]
CUMMINGS RW, 1946, AGRONOMIC PROGR PREV, P13
[2]
Fiske CH, 1925, J BIOL CHEM, V66, P375
[3]
Destruction of organic matter in plant material by the use of nitric and perchloric acids
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION,
1935, 7
:0185-0186
[4]
KRANTZ BA, 1944, 3RD P ANN M NAT JOIN, P26
[6]
1945, OFFICIAL TENTATIVE M, V6, P27