WASET
    Mohamed A. Alsharif and  Peter A. Wallace and  Donald M. Hepburn and  Chengke Zhou,  Electric Field Investigation in MV PILC Cables with Void Defect.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 60 - 63
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/10000368.