Kong Fah Tee and  Lutfor Rahman Khan and  Hongshuang Li,  Reliability Analysis of Underground Pipelines Using Subset Simulation.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 843 - 849
    [viewed 04 April 2020]. Available from: https://publications.waset.org/pdf/17331.