1. Auerbach, D., and Procaccia, I. (1900).Physical Review A,41, 6602?6614.
2. Badii, R. (1990). Unfolding complexity in nonlinear dynamical systems, inMeasures of Complexity and Chaos, N. B. Abrahamet al., eds., Plenum Press, New York.
3. Badii, R., Finardi, M., and Broggi, G. (1991). Unfolding complexity and modelling asymptotic scaling behaviour, inChaos, Order and Patterns, P. Cvitanovi?, ed., Plenum Press, New York.
4. Chaitin, G. J. (1966).Journal of the Association for Computing Machinery,13, 547?560.
5. Crutchfield, J. P., and Young, K. (1989).Physical Review Letters,63, 105.