Mostafa Alinezhad and  Mehrdad Ahmadi Kamarposhti,  Static Voltage Stability Assessment Considering the Power System Contingencies using Continuation Power Flow Method.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 280 - 286
    [viewed 23 April 2021]. Available from: https://publications.waset.org/pdf/15947.