Hiroshi Ouchiyama Runhe Huang Jianhua Ma An Evolutionary Rulebase Based Multi-agents System. 203-215 2007 Emergent Intelligence of Networked Agents http://dx.doi.org/10.1007/978-3-540-71075-2_16 series/sci/2007-56 db/series/sci/sci56.html#OuchiyamaHM07