关于铁路运输景气警告指标的研究
张国华;胡思继;张鹏辉;张跃玲;王存智
Research on Prosperous Warning Indices of Railway Transportation
Zhang Guohua;Hu Siji;Zhang Penghui;Zhang Yueling;Wang Cunzhi
. 1999, (3): 62 -66 .