Zhuang He and  Andrei Kotousov,  Estimation of Stress Intensity Factors from Near Crack Tip Field.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 103(7). 1172 - 1176
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10001495.