1. Storn , R. ; Price , K. Differential evolution—A simple and efficient adaptive scheme for global optimization over continuous. Spaces. Berkeley, CA, Tech. Rep. 1995, TR-95–012.
2. Ant system: optimization by a colony of cooperating agents
3. Eberhart , R.C. ; Kennedy , J. A new optimizer using particle swarm theory.Proceedings of the Sixth International Symposium on Micro-Machine and Human Science, Nagoya, Japan, Oct. 4–6, 1995, pp. 39–43. IEEE Service Center: Piscataway, NJ.
4. Karaboga , D. An idea based on honey bee swarm for numerical optimization. Erciyes University, Engineering Faculty, Turkey, Tech. Rep., 2005.