Carlos Cotta Jano I. van Hemert Evolutionary Computation in Combinatorial Optimization, 7th European Conference, EvoCOP 2007, Valencia, Spain, April 11-13, 2007, Proceedings Lecture Notes in Computer Science EvoCOP 4446 Springer 2007 978-3-540-71614-3 db/conf/evoW/evocop2007.html