WASET
    Shewit Tsegaye and  Kinde A. Fante,  Analysis of Synchronous Machine Excitation Systems: Comparative Study.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 120(12). 1492 - 1496
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10007291.