Le Viet Dung and  K. Petcharaks,  Lightning Protection Systems Design for Substations by Using Masts and Matlab.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 562 - 566
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/8376.