WASET
    K. Daud and  A. F. Abidin and  N. Hamzah and  H. S. Nagindar Singh,  Detection of Sags, Swells, and Transients Using Windowing Technique Based On Continuous  S-Transform (CST).   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 77(5). 568 - 575
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9996905.