Submitted on: 17 March 2003.
Revised on: 26 March 2003.
Accepted on: 14 April 2003.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
Submitted on: 03 July 2009.
Revised on: 08 August 2009.
Accepted on: 26 August 2009.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
http://reply.papertrans.cn/3/299/29861/29861-13.png
http://reply.papertrans.cn/3/299/29861/29861-14.png
Submitted on: 08 March 2003.
Revised on: 16 April 2003.
Accepted on: 01 May 2003.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
http://reply.papertrans.cn/3/299/29861/29861-16.png
Submitted on: 15 September 2017.
Revised on: 01 October 2017.
Accepted on: 13 October 2017.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
http://reply.papertrans.cn/3/299/29861/29861-18.png
Submitted on: 29 February 2004.
Revised on: 08 April 2004.
Accepted on: 29 April 2004.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
Submitted on: 07 August 2010.
Revised on: 30 August 2010.
Accepted on: 23 September 2010.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT