共 12 条
[1]
BARLOW JW, 1952, CAN FOOD IND, V28, P11
[3]
DUVAL C, 1953, INORGANIC THERMOGRAV, P31
[4]
GIBAUD M, 1954, CHIM ANAL, V36, P153
[5]
HOFFMAN I, 1958, CHEM IND LONDON, V261
[6]
MAHIN EG, 1923, QUANTITATIVE AGR ANA, P249
[8]
PEECH M, 1947, METHODS SOIL ANAL SO, V757, P6
[9]
Van SLYKE DONALD D., 1940, JOUR BIOL CHEM, V136, P509
[10]
WAKSMAN SA, 1936, HUMUS ORIGIN CHEM CO, P243