Chen, J., Umrawal, A. K., Lan, T. and Aggarwal, V. (2021) “DeepFreight: A Model-free Deep-reinforcement-learning-based Algorithm for Multi-transfer Freight Delivery”, Proceedings of the International Conference on Automated Planning and Scheduling, 31(1), pp. 510-518. doi: 10.1609/icaps.v31i1.15998.