Wiśniewski, Andrzej. “Cryptosystem Based on Reversible Two-Dimensional Cellular Automata”. Studia Informatica. System and information technology 13, no. 2 (December 31, 2009): 97–105. Accessed May 5, 2024. https://czasopisma.uph.edu.pl/studiainformatica/article/view/2815.