1. de Castro, L.N., Von Zuben, F.J.: Artificial Immune Systems: Part I -Basic Theory and Applications, School of Computing and Electrical Engineering, State University of Campinas, Brazil, No. DCA-RT 01/99 (1999)
2. Dorigo, M., Maniezzo, V., Colorni, A.: The ant system: Optimization by a colony of cooperating agents. IEEE Trans. Syst., Man, Cybern. B 26(2), 29–41 (1996)
3. Eberhart, R.C., Shi, Y.: Computational Intelligence, Concepts to Implementation, 1st edn. Morgan Kaufmann Publishers, San Francisco (2007)
4. Passino, K.M.: Bacterial Foraging Optimization. International Journal of Swarm Intelligence Research 1(1), 1–16 (2010)
5. Shi, Y., Eberhart, R.C.: A Modified Particle Swarm Optimizer. In: 1998 IEEE International Conference on Evolutionary Computation, Anchorage, Alaska, USA, May 4-9 (1998)