Submitted on: 05 June 2015.
Revised on: 31 July 2015.
Accepted on: 06 September 2015.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 09 September 2009.
Revised on: 06 October 2009.
Accepted on: 26 October 2009.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 26 September 2004.
Revised on: 16 November 2004.
Accepted on: 25 December 2004.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 16 May 2009.
Revised on: 20 June 2009.
Accepted on: 16 July 2009.
___________________Journal of Pipeline Systems Engineering and Practice
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Submitted on: 10 January 2001.
Revised on: 11 March 2001.
Accepted on: 28 April 2001.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 17 May 2014.
Revised on: 22 July 2014.
Accepted on: 02 August 2014.
___________________Journal of Pipeline Systems Engineering and Practice
http://reply.papertrans.cn/2/188/18789/18789-28.png
Submitted on: 07 February 1998.
Revised on: 06 March 1998.
Accepted on: 26 March 1998.
___________________Journal of Pipeline Systems Engineering and Practice
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