1. M. Dorigo, Optimization, learning and natural algorithms, Politecnico di Milano, 1992.
2. R.C. Eberhart, J. Kennedy, A new optimizer using particle swarm theory, in: Proceedings of the Sixth International Symposium on Micromachine and Human Science, Nagoya, Japan, 1995, pp. 39–43.
3. Advances in natural computation;Du,2006
4. Introduction to Stochastic Search and Optimization: Estimation, Simulation, and Control;Spall,2003
5. Adaptation in Natural and Artificial Systems;Holland,1975