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Submitted on: 26 January 2012.
Revised on: 04 May 2012.
Accepted on: 04 June 2012.
___________________International Journal of Greenhouse Gas Control
Submitted on: 06 September 2005.
Revised on: 26 November 2005.
Accepted on: 23 January 2006.
___________________International Journal of Greenhouse Gas Control
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Submitted on: 10 July 2002.
Revised on: 06 November 2002.
Accepted on: 10 December 2002.
___________________International Journal of Greenhouse Gas Control
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Submitted on: 13 December 2003.
Revised on: 29 January 2004.
Accepted on: 12 February 2004.
___________________International Journal of Greenhouse Gas Control
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