Alpesh Adeshara and  Rajendrasinh Jadeja and  Praghnesh Bhatt,  Performance Evaluation of Discrete Fourier Transform Algorithm Based PMU for Wide Area Measurement System.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 102(6). 599 - 605
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/10001875.