T. N. Mac and  B. Shahbodaghkhan and  N. Khalili,  A Constitutive Model for Time-Dependent Behavior of Clay.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 90(6). 596 - 601
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9998378.