Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1003-1421|37|11|75-78

ISSN： 1003-1421

Source： 铁道运输与经济, Vol.37, Iss.11, 2015-01, pp. : 75-78

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next