WASET
    Rui Wu and  Tapani Ristaniemi,  Semi-Blind Two-Dimensional Code Acquisition in CDMA Communications.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 1618 - 1626
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/2408.