Ali Akbar Attari and  Ali Asghar Beheshti Shirazi,  Robust and Transparent Spread Spectrum Audio Watermarking.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2018, vol. 134(2). 145 - 149
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10008718.