Authors: Liu, FHF Chen, JT

Citation: Fhf. Liu et Jt. Chen, A heuristic approach to determine bidirectional flow-path for AGV systems, INT J IN EN, 6(2), 1999, pp. 171-181

Authors: Liu, FHF Shen, SY

Citation: Fhf. Liu et Sy. Shen, An overview of a heuristic for vehicle routing problem with time windows, COM IND ENG, 37(1-2), 1999, pp. 331-334