Weifeng Wang and  Xianwei Zeng and  Jianping Ding,  Method of Moments for Analysis of Multiple Crack Interaction in an Isotropic Elastic Solid.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 325 - 330
    [viewed 24 January 2021]. Available from: https://publications.waset.org/pdf/15686.