1. In Fundamentals of Environmental Pollution;Kannan,1995
2. Characteristics of feasibility of chrome tannery wastes;Chattopadhyay;Int. J. Environ. Health,1973
3. A silent epidemic of metal poisoning;Niragu;Environ. Pollut.,1988
4. EPA Control and Treatment Technology for the Metal Finishing Industry Sulfide Precipitation; EPA-625/8-80-003; U.S. Environmental Protection Agency: Cincinnati, OH, 1980.
5. Kinetics of chromium transformations in the environment;Salem;Sci. Total Environ.,1989