J. R. Mudakavi and  K. Puttanna,  Decontamination of Chromium Containing Ground Water by Adsorption Using Chemically Modified Activated Carbon Fabric .   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 103(7). 884 - 890
    [viewed 21 October 2019]. Available from: https://publications.waset.org/pdf/10005921.