Carlos Cotta Peter I. Cowling Evolutionary Computation in Combinatorial Optimization, 9th European Conference, EvoCOP 2009, Tübingen, Germany, April 15-17, 2009. Proceedings 5482 2009 http://dx.doi.org/10.1007/978-3-642-01009-5 978-3-642-01008-8 Lecture Notes in Computer Science EvoCOP Springer db/conf/evoW/evocop2009.html