1. Bestiary;Barber,1992
2. The mere notion of a model;Penn;Mathematical Modelling,1980
3. Reality Rules. I, The Fundamentals; II, The Frontier;Casti,,1992
4. Quantitative universality for a class of nonlinear transformations;Feigenbaum;J. Stat. Phys.,1978
5. Chaos and Fractals. New Frontiers of Science;Peitgen,,1992