1. Cellular automata: a discrete universe;Ilachinski,2001
2. Cellular automata: a discrete view of the world;Schiff,2008
3. A new kind of science;Wolfram,2002
4. The fantastic combinations of John Conways new solitaire game of “life”;Gardner;Sci Am,1970
5. On cellular automata, self-replication, the Garden of Eden and the game “life”;Gardner;Sci Am,1971