共 19 条
[1]
Aiken G.R., 1985, SOIL SCI, P1
[2]
BROWN JK, 1960, FUEL, V39, P87
[3]
Christman R. F., 1983, AQUATIC TERRESTRIAL, P1
[5]
FLAIG W, 1975, SOIL COMPONENTS, V1, P1
[7]
AN IMPROVED METHOD FOR EXTRACTING ORGANIC MATTER FROM SOIL
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (01)
:117-+
[8]
ISHIWATARI R, 1985, HUMIC SUBSTANCES SOI, P147
[9]
KONONOVA MM, 1961, OIL ORGANIC MATTER I, P45
[10]
Krevelen V., 1950, FUEL, V29, P269