1. M. Dorigo, V. Maniezzo, A. Colorni, 1991. Positive feedback as a search strategy, Technical report 91-016.
2. A new optimizer using particle swarm theory;Eberhart,1995
3. Genetic Algorithms in Search, Optimization and Machine Learning;Goldberg,1989
4. Metaheuristics in large-scale global continues optimization: a survey;Mahdavi;Inf. Sci.,2015