Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1003-1421|37|12|83-87
ISSN: 1003-1421
Source: 铁道运输与经济, Vol.37, Iss.12, 2015-01, pp. : 83-87
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
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