Abhijit Mitra,  On Pseudo-Random and Orthogonal Binary Spreading Sequences.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 2836 - 2843
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/13716.