WASET
    G. Ahmadi and  S.M. Shahrtash,  Neutral to Earth Voltage Analysis in Harmonic Polluted Distribution Networks with Multi- Grounded Neutrals.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2009, vol. 25(1). 93 - 97
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/11780.