1. Jensen, J.Reviews of Environmental Contamination and Toxicology 1996,146, 25.
2. Mac Rac, I.C.Reviews of Environmental Contamination and Toxicology 1989,109, 2.
3. Ong, C.P.; Lee, H.K., Li, S.F.Y.J. Chromatogr. 1989, 464, 405.
4. Kitunen, V.H.; Ualo, R.J.; Salkinoja-Salonen, M.S.Environ. Sci. Technol. 1986,21, 96.
5. Guidelines for drinking-water quality, 2nd ed. Vol. 2Health criteria and other supporting information 1996, 940 andAddendum to Vol. 2 1998, 281; Geneva, World Health Organization.