Maria J. Blesa Christian Blum Luca Di Gaspero Andrea Roli Michael Sampels Andrea Schaerf Hybrid Metaheuristics, 6th International Workshop, HM 2009, Udine, Italy, October 16-17, 2009. Proceedings 5818 2009 http://dx.doi.org/10.1007/978-3-642-04918-7 978-3-642-04917-0 Hybrid Metaheuristics Lecture Notes in Computer Science Springer db/conf/hm/hm2009.html