Qian Zhang Ze Dong Pu Han Zhongli Wu Fang Gao Optimization of controllers in the thermal system using initial pheromone distribution in Ant Colony Optimization. 22-27 2008 IRI http://dx.doi.org/10.1109/IRI.2008.4582999 conf/iri/2008 db/conf/iri/iri2008.html#ZhangDHWG08