Jing Zhou Guanzhong Dai De-Quan He Jun Ma Xiao-Yan Cai Swarm Intelligence: Ant-Based Robot Path Planning. 459-463 2009 IAS http://dx.doi.org/10.1109/IAS.2009.120 conf/IEEEias/2009 db/conf/IEEEias/IEEEias2009.html#ZhouDHMC09