WASET
    A. Pereira and  S. Haffner and  L. V. Gasperin,  Simplified Models to Determine Nodal Voltagesin Problems of Optimal Allocation of Capacitor Banks in Power Distribution Networks.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 552 - 558
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4919.