Nihat Hakan Akyol and  Irfan Yolcubal,  In-situ Chemical Oxidation of Residual TCE by Permanganate in Epikarst.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 279 - 281
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15743.