WASET
    Nuawi M. Z. and  Lamin F. and  Ismail A. R. and  Abdullah S. and  Wahid Z.,  A Novel Machining Signal Filtering Technique: Z-notch Filter.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 1252 - 1257
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3078.