1. Statistical mechanics of cellular automata;Wolfram;Rev. mod. Phys.,1983
2. The Recursive Universe;Poundstone,1985
3. The portable universe: getting to the heart of the matter with cellular automata;Levy;Whole Earth Rev.,1985
4. On recursively defined geometrical objects and patterns of growth;Schrandt,1970
5. Chaos: the ultimate asymmetry;Fisher;Mosaic,1985