Francisco Baptista Pereira Jorge M. C. Marques Tiago Leitão Jorge Tavares Designing Efficient Evolutionary Algorithms for Cluster Optimization: A Study on Locality. 223-250 2008 conf/ncs/2008metaheuristics Advances in Metaheuristics for Hard Optimization http://dx.doi.org/10.1007/978-3-540-72960-0_11 db/conf/ncs/metaheuristics2008.html#PereiraMLT08