1. J. von Neumann, in: A.W. Burks (Ed.), The Theory of Self-reproducing Automata, University of Illinois Press, 1996.
2. E.R. Berlekamp, J.H. Conway, R.K. Guy, Wining Ways for Your Mathematical Plays, vol. 2, Academic Press, New York, 1982.
3. Cellular Automata;Ilachinski,2001
4. Cellular Automata and Complexity;Wolfram,1994
5. Computation at the edge of chaos: phase transitions and emergent computation;Langton;Physica D,1990