M. F. Haroun and  T. A. Gulliver,  Real-Time Image Encryption Using a 3D Discrete Dual Chaotic Cipher.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 99(3). 415 - 422
    [viewed 09 August 2020]. Available from: https://publications.waset.org/pdf/10005234.