Juliang Zhang Xuewei Li Zhenji Zhang Runtong Zhang LISS 2011 - Proceedings of the 1st International Conference on Logistics, Informatics and Service Science, Volume 3, Beijing, China, 8 - 11 June, 2011 978-989-8425-64-5 LISS (3) SciTePress 2011 db/conf/liss/liss2011-3.html