共 17 条
- [1] ARNOLD MA, 1982, THESIS U DELAWARE NE
- [2] BANWART W L, 1972, Communications in Soil Science and Plant Analysis, V3, P449, DOI 10.1080/00103627209366401
- [6] Frant M. S., 1974, U.S. Patent, Patent No. [3 830 718, 3830718]
- [10] MASCINI M, 1980, CHIM IND-MILAN, V62, P222