Sezen Yildirim and  Tahir Çetin Akinci and  Serhat Seker and  Nazmi Ekren,  Determination of the Characteristics for Ferroresonance Phenomenon in Electric Power Systems.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1422 - 1426
    [viewed 15 April 2021]. Available from: https://publications.waset.org/pdf/11691.