Nicolas Jozefowiez Frédéric Semet El-Ghazali Talbi Enhancements of NSGA II and Its Application to the Vehicle Routing Problem with Route Balancing. 131-142 2005 conf/ae/2005 Artificial Evolution http://dx.doi.org/10.1007/11740698_12 db/conf/ae/ae2005.html#JozefowiezST05