1. National Research Council, Arsenic in Drinking Water, National Academy Press, Washington, DC 1999.
2. Agency for Toxic Substances and Disease Registry, Public Health Statement: Arsenic, March 1989 (http://atsdr1.cdc. gov;8080/YodProfiles/Phs8082.html).
3. Trace Element Speciation: Analytical Methods and Problems (Ed: G. E. Batley), CRC Press, FL, USA 1989.
4. Arsenic — New Life for an Old Potion