H. Bentarzi and  A. Zitouni,  Field-Programmable Gate Array Based Tester for Protective Relay .   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 127(7). 882 - 887
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10007589.