Kobozeva, A.A., and A.V. Sokolov. “Theoretical Foundations for Constructing Effective Codewords for the Code-Controlled Information Embedding Steganographic Method”. Radiotekhnika 4, no. 207 (December 24, 2021): 27–39. Accessed May 19, 2024. http://rt.nure.ua/article/view/253382.