References
- Wong , P. T. S. and Trevors , J. T. 1988 . Chromium in the Natural and Human Environments , Edited by: Nriagu , J. O. and Niebor , E. p. 305 New York : Wiley .
- Hamilton , J. W. and Wetterhahn , K. E. 1988 . Handbook on Toxicity of Inorganic Compounds , Edited by: Seiler , H. G. and Sigel , H. New York : Dekker .
- Merian , E. , eds. 1985 . Carcinogenic and Mutagenic Metal Compounds: Environmental and Analytical Chemistry and Biological Effects , New York : Gordon and Breach .
- Greenwood , N. N. and Earnshaw , A. 1984 . Chemistry of the Elements , New York : Pergamon .