1. IFC: Environmental, Health, and Safety Guidelines for Petroleum Refining, 21 pp, April 30, 2007 (available at http://www.ifc.org/ifcext/enviro.nsf/Content/EnvironmentalGuidelines).
2. Removal of selenium from wastewaters;Kapoor;Environ. Sci. Technol.,1995
3. Removal of selenocyanate from water using elemental iron;Meng;Water Res.,2002
4. C. Su, R.G. Ford, R.T. Wilkin, Monitored natural attenuation of inorganic contaminants in ground water, Vol.2, Selenium, p. 71-85, EPA/600/R-07/140, October 2007.
5. IRIS (Integrated Risk Information System), Selenium and Compounds (CASRN 7782-49-2), Updated January 10th, 2008, http://www.epa.gov/iris/subst/0472.htm, (assessed on 21/01/2009).