00100	Cellular Automata, E.F. Codd, Academic Press 1968
00200	
00300	von Neumann, John, The theory of automata: Construction, Reproduction, Homogeneity
00400	part II of "The theory of self-reproducing automata" ed. A. W. Burks. Universiy
00500	of Illinois Press, Urbana, Illinois,1966