1. J. Emsley , Chromium. Nature's Building Blocks: An A–Z Guide to the Elements, Oxford University Press, Oxford, UK, 2001, pp. 111–114
2. A Critical Assessment of Chromium in the Environment
3. D. Metze , N.Jakubowski and D.Klockow, in Handbook of Elemental Speciation II – Species in the Environment, Food, Medicine and Occupational Health. Speciation of Chromium in Environment and Food, ed. R. Cornelis, J. Caruso, H. Crews and K. Heumann, John Wiley & Sons, Ltd, Chichester, 2005, pp. 120–135
4. R. J. Bartlett , B. R.James, J. O.Nriagu and E.Nieboer, in Chromium in the Natural and Human Environments, ed. J. O. Nriagu and E. Nieboer, Wiley, New York, 1988, pp. 267–303
5. Genesis of hexavalent chromium from natural sources in soil and groundwater