WASET
    Ioannis Binas and  Marios Moschakis,  Voltage Sag Characteristics during Symmetrical and Asymmetrical Faults.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2020, vol. 160(4). 85 - 97
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10011144.