共 19 条
[1]
Alexander M, 1965, METHODS SOIL ANAL PA, V9, P1467
[4]
BELSER LW, 1974, THESIS U CALIFORNIA
[5]
Bremner J., 1965, METHODS SOIL ANAL 2, P1149
[6]
CADY F. B., 1961, SOIL SCI SOC AMER PROC, V25, P362
[7]
Clark FE, 1965, METHODS SOIL ANAL 2, P1460
[8]
COOPER GRANT S., 1963, SOIL SCI SOC AMER PROC, V27, P659
[9]
FETTER NR, 1974, FINNIGAN SPECTRA, V4