Prathuang Usaborisut and  Dithaporn Thungsotanon,  Soil Stress State under Tractive Tire and Compaction Model.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2017, vol. 130(10). 975 - 978
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10008066.