http://reply.papertrans.cn/2/191/19058/19058-31.png
Submitted on: 26 December 2014.
Revised on: 31 March 2015.
Accepted on: 29 April 2015.
___________________Journal of Rail Transport Planning & Management
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http://reply.papertrans.cn/2/191/19058/19058-34.png
http://reply.papertrans.cn/2/191/19058/19058-35.png
Submitted on: 02 January 2009.
Revised on: 29 March 2009.
Accepted on: 29 April 2009.
___________________Journal of Rail Transport Planning & Management