WASET
    Tahmine. V. Moghaddam and  N. Bigdeli and  K. Afshar,  Tuning a Fractional Order PID Controller with Lead Compensator in Frequency Domain.   journal   = {International Journal of Electrical and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 366 - 371
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/11611.