Nicolas Jozefowiez Frédéric Semet El-Ghazali Talbi An evolutionary algorithm for the vehicle routing problem with route balancing. 761-769 2009 195 European Journal of Operational Research 3 http://dx.doi.org/10.1016/j.ejor.2007.06.065 db/journals/eor/eor195.html#JozefowiezST09