共 19 条
- [2] BRACKETT CE, 1973, 8640 BUR MIN INF CIR, P12
- [3] BRADFORD GR, 1976, ENVIRONMENTAL CHEMIS
- [4] Bradley C. E., 1960, SOIL SCI SOC AM P, V24, DOI [10.2136/sssaj1960.03615995002400040015x, DOI 10.2136/SSSAJ1960.03615995002400040015X]
- [7] DORAN J W, 1972, Journal of Environmental Quality, V1, P186
- [8] EATON FM, 1965, DIAGNOSTIC CRITERIA, P444
- [9] ELSEEWI AA, 1976, ENVIRONMENTAL CHEMIS
- [10] GANJE TJ, 1974, ATOM ABSORPT NEWSL, V13, P131