1. The vehicle routing problem with time windows and simultaneous pick-up and delivery;Angelelli,2002
2. A tabu search algorithm for periodic and multi-depot vehicle routing problems;Cordeau;Networks,1997
3. A unified tabu search algorithm for vehicle routing problems with time windows;Cordeau;Journal of the Operational Research Society,2001
4. Cordeau, J.-F., Laporte, G., Potvin, J.-Y., Savelsbergh, M.W.P., in press. Transportation on demand. In: Barnhart, C., Laporte, G. (Eds.), Transportation, Elsevier, Amsterdam.
5. Solutions of a large-scale traveling-salesman problem;Dantzig;Operations Research,1954