WASET
    Ephraim Gower and  Thato Tsalaile and  Monageng Kgwadi and  Malcolm Hawksford.,  The Statistical Properties of Filtered Signals.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 77(5). 875 - 878
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/16758.