References

1

Elwyn R. Berlekamp, John H. Conway, and Richard K. Guy, Winning Ways for your Mathematical Plays, Academic Press, 1982 (ISBN 0-12-091152-3) vol. 2, chapter 25.

2

Martin Gardner, Mathematical Games - The fantastic combinations of John Conway's new solitaire game ``life,'' Scientific American, October 1970, pp. 120-123.

3

Martin Gardner, Wheels, Life, and Other Mathematical Amusements, W. H. Freeman and Company, New York, 1983. (ISBN 0-7167-1589-9 pbk)

4

Solomon W. Golomb, Shift Register Sequences, Holden-Day, Inc., San Francisco, 1967.

5

Warren S. McCulloch and Walter Pitts, A logical calculus of the ideas immanent in nervous activity, Bulletin of Mathematical Biophysics 5 115-133 (1943).

6

John von Neumann, Theory of Self-reproducing Automata (edited and completed by A. W. Burks), University of Illinois Press, 1966.

7

Anthony Ralston, De Bruijn Sequences---A Model Example of the Interaction of Discrete Mathematics and Computer Science, Mathematics Magazine 55 131-143 (1982).

8

Robert T. Wainwright (editor), Lifeline, a quarterly newsletter with 11 issues published between March 1971 and September 1973.

9

Stephen Wolfram, Computation theory of cellular automata, Communications in Mathematical Physics 96 15-57 (1984).

10

Stephen Wolfram (Ed.), Theory and Applications of Cellular Automata, World Scientific Press, Singapore, 1986 (ISBN 9971-50-124-4 pbk).