共 30 条
[2]
Austin A. T, 1961, SCI PROGR LONDON, VXLIX, P619
[3]
ANALYSIS OF GAS MIXTURES BY GAS CHROMATOGRAPHY
[J].
JOURNAL OF CHROMATOGRAPHY,
1967, 26 (02)
:482-&
[4]
BREMNER J. M., 1957, Journal of Agricultural Science, V48, P352, DOI 10.1017/S0021859600031725
[5]
BREMNER JM, 1966, 1963 FAO IAEA TECH M, P337
[6]
Broadbent F., 1966, AGRICULTURAL ANHYDRO, P169
[7]
BURGE W. D., 1961, SOIL SCI SOC AMER PROC, V25, P199
[8]
CLARK FE, 1960, 7 INT C SOIL SCI T M, V2, P501
[9]
EPHRAIM F, 1948, INORG CHEM, P668
[10]
Evans HJ, 1956, INORGANIC NITROGEN M, P189