B. Ghanbarian-Alavijeh and  A.M. Liaghat and  S. Sohrabi,  Estimating Saturated Hydraulic Conductivity from Soil Physical Properties using Neural Networks Model.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2010, vol. 38(2). 58 - 63
    [viewed 27 February 2020]. Available from: https://publications.waset.org/pdf/13216.