Lixin Tian and  Wei Xue,  The Design of Multiple Detection Parallel Combined Spread Spectrum Communication System.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 477 - 483
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10010572.