TY - Computer Engineering and Applications A1 - WANG Tiejun1, WU Kaijun2 T1 - Study on multi-depots vehicle routing problem based on improved particle swarm optimization Y1 - 2013-01-15 JF - Computer Engineering and Applications JO - Computer Engineering and Applications SP - 5 EP - 8 VL - 49 IS - 2 UR - http://cea.ceaj.org N1 - ER -