1. Water Quality Engineering for Practicing Engineers;Eckenfelder,1970
2. Pollution control in process industries;Mahajan,1985
3. Activated carbon process for treatment of automotive application for chromium wastewaters containing hexavalent chromium;Bowers;Prog. Water Technol.,1980
4. Chromium removal from aqueous wastes by reduction with ferrous ion;Muthukumaran;Met Finish,1995
5. Cr(III) and Cr(VI) speciation in environmental samples;Fetyanose;Toxicol Environ. Chem.,1997