Hasan Keshavarzian and  Tayebeh Nesari,  Reliability Analysis for Cyclic Fatigue Life Prediction in Railroad Bolt Hole .   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 129(9). 1227 - 1232
    [viewed 03 March 2021]. Available from: https://publications.waset.org/pdf/10007872.