Cienciala, Ludek, Lucie Ciencialová, and Alica Kelemenová. “Homogeneous P Colonies”. COMPUTING AND INFORMATICS 27, no. 3+ (January 27, 2012): 481–496. Accessed March 29, 2023. https://www.cai.sk/ojs/index.php/cai/article/view/245.