WASET
    I. U. Wickramasinghe and  D. J. Hargreaves and  D. V. De Pellegrin,  Predicting Crack Initiation Due to Ratchetting in Rail Heads Using Critical Element Analysis.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 77(5). 945 - 950
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/17406.