1. Bays C. (1988): Classification of semi-totalistic cellular automata in 3-D, Complex Systems 2
2. Bays C (1987). Patterns for Simple Cellular Automata in a Universe of Dense-Packed Spheres, Complex Systems 2
3. DeBoer, Fracchia, Prusinkiewicz (1992), “Analysis and Simulation of the Development of Cellular Layers” Artificial Life II ed. C Langton
4. Das, S., Franguiadakis, T., Papka, M., DeFanti, T. A., Sandin, D. J.(1994):A genetic programming application in virtual reality. IEEE Computational Intelligence Evolutionary Computation Conference Proceedings, June.
5. D’arcy Wentworth, Thomson. (1917/61). On growth and form. Abridged ed. (Tyler Bonner, John ed.) Cambridge University Press.