Weigang Jiang, Yuanbiao Zhang, Jianwen Xie. A particle swarm optimization algorithm with crossover for vehicle routing problem with time windows. In 2009 IEEE Symposium on Computational Intelligence in Scheduling, CISched 2009, Nashville, TN, USA, April 1-2, 2009. pages 103-106, IEEE, 2009. [doi]
Abstract is missing.