共 32 条
[3]
Bremner J. M., 1996, METHODS SOIL ANAL 3, P1085
[4]
Bremner JM., 1965, METHODS SOIL ANAL, P1238
[5]
CHAPMAN H. D., 1961, Methods of Analysis for Soils, Plants and Waters.
[6]
DETERMANN H, 1968, GEL CHROMATOGRAPHY