WASET
    V. Anil Kumar and  Abhijit Mitra and  S. R. Mahadeva Prasanna,  On the Effectivity of Different Pseudo-Noise and Orthogonal Sequences for Speech Encryption from Correlation Properties.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 2844 - 2851
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/6316.