WASET
    Z. Saidi and  A.O. Boudraa and  J.C. Cexus and  S. Bourennane,  Time-Delay Estimation Using Cross-ΨB-Energy Operator.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2007, vol. 9(9). 1440 - 1444
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/2606.