Maziar Ramezani and  Thomas Neitzert,  Strain Based Evaluation of Dents in Pressurized Pipes.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 974 - 979
    [viewed 27 September 2020]. Available from: https://publications.waset.org/pdf/7472.