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Submitted on: 16 December 2006.
Revised on: 11 January 2007.
Accepted on: 31 January 2007.
___________________International Journal of Greenhouse Gas Control
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Submitted on: 10 August 2010.
Revised on: 28 October 2010.
Accepted on: 11 November 2010.
___________________International Journal of Greenhouse Gas Control
Submitted on: 09 April 2007.
Revised on: 13 July 2007.
Accepted on: 20 August 2007.
___________________International Journal of Greenhouse Gas Control
Submitted on: 15 February 2002.
Revised on: 08 May 2002.
Accepted on: 21 May 2002.
___________________International Journal of Greenhouse Gas Control
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Submitted on: 11 February 2011.
Revised on: 20 May 2011.
Accepted on: 02 June 2011.
___________________International Journal of Greenhouse Gas Control
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