城市公交线网等级评定的物元分析模型
胡启洲,陆化普,戴帅,张晓利 
Matter Element Analysis Model for Grade Evaluation of Urban Public Traffic Network
Qizhou,LU Huapu,DAI Shuai,ZHANG Xiaoli
公路交通科技 . 2010, (3): 114 -118 .