1. Abraham A, Grosan C, Ramos V (2006) Swarm intelligence in data mining. Studies in computational intelligence. Springer-Verlag Berlin Heidelberg
2. Adachi S, Peper F, Lee J (2004) Universality of hexagonal asynchronous totalistic cellular automata. In: 6th international conference on cellular automata for research and industry, ACRI 2004. Lecture notes in computer science, vol 3305, pp 91–100
3. Adami C, Bryson DM, Ofria C, Pennock RT (2012) Artificial life 13, Ebook ISBN 9780262310505
4. Beni G (1988) The concept of cellular robot. In: Proceedings of the 3rd IEEE symposium on intelligent control, Arlington, pp 57–61
5. Beni G (1992) Distributed robotic systems and swarm intelligence. J Robot Soc Jpn 10:31–37