1. G. Nicolis and I. Prigogine,Self-Organization in Non-Equilibrium Systems (Wiley-Interscience, New York, 1977).
2. I. Prigogine and P. M. Allen, “The challenge of complexity,” inSelf-Organization and Dissipative Structures (University of Texas Press, Austin, Texas, 1982).
3. Springer Series on Synergetics;H. Haken,1977
4. C. Darwin,The Origin of Species (John Murray, London, 1859).
5. R. A. Fisher,The Genetical Theory of Natural Selection (Dover, New York, 1958).