1. J. Browne, J. Harhen, J. Shivnan, Production Management Systems: An Integrated Perspective 2/e, Addison-Wesley, Reading, MA, 1996.
2. AntNet: distributed stigmergic control for communiction networks;Di Caro;Journal of Artificial Intelligence Research JAIR,1998
3. Ant algorithms and stigmergy;Dorigo;Future Generation Computer Systems,2000
4. M. Dorigo, G. Di Caro, The Ant Colony Optimization Meta-Heuristic, New Ideas in Optimization, McGraw-Hill, London, UK, 1999.
5. Ant algorithms for discrete optimization;Dorigo;Artificial Life,1999