1. Hemmatkhah, P., Bidari, A., Jafarvand, S., Hosseini, M.R.N., and Assadi, Y., Microchim. Acta, 2009, vol. 166, p. 69.
2. Bobrowski, A., Mocak, J., Dominik, J., Pereira, H., Bas, B., and Knapd, W., Acta Chim. Slov., 2004, vol. 51, p. 77.
3. Katz, S.A. and Salem, H., J. Appl. Toxicol., 1993, vol. 13, p. 217.
4. Nriagu, J.O. and Nieboer, E., Chromium in the Natural and Human Environments, New York: Wiley, 1988.
5. Carry, E.E., Biological and Environmental Aspects of Chromium, Oxford: Elsevier Biomedical, 1982.