1. Cellular Automata;Codd,1968
2. Real time computation by n-dimensional iterative arrays of finite state machines;Cole;IEEE Trans. Comput.,1969
3. Groups and Their Graphs;Grossman,1964
4. Iterative network realization of sequential machines;Jump,1968
5. Synthesis of a cellular computer using the 29-state model of von Neumann;Lee;Bell Laboratories Memorandum MM63-344-5,1963