WASET
    Yousra M. Zakaria Helmy and  Edward H. Smith,  Physical-Chemical Surface Characterization of Lake Nasser Sediments.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 216 - 221
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/5509.