WASET
    Kasthurirangan Gopalakrishnan and  Anshu Manik,  A Mathematical Model for Predicting Isothermal Soil Moisture Profiles Using Finite Difference Method .   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 14 - 20
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/6851.