1. Arai T, Pagello E, Parker LE (2002) Guest editorial, special issue on advancement in multi-robot systems. IEEE Trans RA 18(5):655–662
2. Asef-Vaziri A, Laporte G (2005) Loop-based facilities planning and material handling. Eur J Oper Res 164(1):1–11
3. Butdee S and Suebsomran A (2006) Learning and recognition algorithm of intelligent AGV system, Proceedings of the Global Congress on Manufacturing and Management, Santos, Brazil, 13–72
4. Butdee S, Suebsomran A (2007) Localization based on matching location of AGV, Proceeding of the 24th International Manufacturing Conference, IMC24. Waterford Institute of Technology, Ireland, pp 1121–1128
5. Butdee S, Vignat F and Suebsomran A (2006) Self-alignment control of an automated unguided vehicle, Proceedings of the 6th International Conference on Integrated Design and Manufacturing in Mechanical Engineering, Grenoble, France, 48–64