中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊
Application of Key Factor Analysis Method to the Calculation of Elastic Coefficients ofH ighway Passenger Transportation
REN Qi-liang
Journal of Chongqing Jiaotong University(Natural Science) . 2009, (1): 116 -120 .  DOI: 10.3969/j.issn.1674-0696.2009.01.30