1. Cellular Automata;Ilachinski,2000
2. A new kind of science;Wolfram,2002
3. Elementary cellular automata with memory;Alonso-Sanz;Complex Systems,2003
4. Reversible cellular automata with memory;Alonso-Sanz;Physica D,2003
5. Three-state one-dimensional cellular automata with memory;Alonso-Sanz;Chaos, Solitons and Fractals,2004