1. Glover (1986) [Glover, 1986] F. Glover. (1986). _Future paths for integer programming and links to artificial intelligence _, Computers and Operations Research, Vol. 13, pp. 533-549, 1986.
2. Bartz-Beielstein et al., (2003) [Bartz-Beielstein et al., 2003] T. Bartz-Beielstein, P. Limbourg, K.E. Parsopoulos,M.N. Vrahatis, J. Mehnen, K. Schmitt. (2003). _Particle swarm optimizers for Pareto optimization with enhanced archiving techniques_, Proceedings of the 2003 Congress on Evolutionary Computation, Vol. 3,pp. 1780-1787,
3. Ray ., (2002) [Ray et al., 2002] T. Ray, K.M. Liew. (2002). _A swarm metaphor for multiobjective design optimization , Engineering Optimization, Vol. 34, N°2, pp. 141-153, 2002.
4. Fraser (1957) [Fraser, 1957] A.S. Fraser. (1957). _Simulation of genetic systems by automatic digital computers ,Australian Journal of Biological Sciences, Vol. 10, pp. 484-491, 1957.
5. Hu and Eberhart (2002) [Hu et al., 2002] X. Hu, R.C. Eberhart. (2002). _Multiobjective optimization using dynamic neighborhood particle swarm optimization_, Proceedings of the 2002 IEEE Congress on Evolutionary Computation, Vol. 2, pp. 1677-1681, IEEE Press.