@article{Cattaruzza2014aa,
  author={Cattaruzza, Diego and Absi, Nabil and Feillet, Dominique and Vidal, Thibaut},
  title = {A memetic algorithm for the Multi Trip Vehicle Routing Problem},
journal = {European Journal of Operational Research},
volume = {236},
number = {1},
pages = {833–848},
year = {2014},
doi = {http://dx.doi.org/10.1016/j.ejor.2013.06.012}
}