W. Wu and  S. Utili,  Investigation on the Stability of Rock Slopes Subjected to Tension Cracks via Limit Analysis.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 90(6). 362 - 368
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9998355.