%0 Journal Article %T Vehicle management based on GPS/GIS: A case study on bulk concrete trucks %A GPS %A GIS %A vehicle tracking %J 重庆邮电大学学报(自然科学版) %D 2004 %I %K GPS %K GIS %K vehicle %K tracking %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=5C2694A2E5629ECD6B59D7B28C6937AD&aid=041BD1FDB4872F0CBC86D26F491C912E&yid=D0E58B75BFD8E51C&vid=7801E6FC5AE9020C&iid=94C357A881DFC066&sid=1D0FA33DA02ABACD&eid=E84BBBDDD74F497C&journal_id=1673-825X&journal_name=重庆邮电大学学报(自然科学版)&referenced_num=0&reference_num=0