J. Mirzaei and  H. Kazemi Kargar,  An Adaptive Setting of Frequency Relay with Consideration on Load and Power System Dynamics.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 38(2). 282 - 286
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/3713.