Submitted on: 04 August 2003.
Revised on: 08 October 2003.
Accepted on: 13 November 2003.
___________________Energy---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 24 September 2002.
Revised on: 20 December 2002.
Accepted on: 27 January 2003.
___________________Energy---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 28 March 2000.
Revised on: 25 May 2000.
Accepted on: 20 July 2000.
___________________Energy---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 10 March 2017.
Revised on: 17 April 2017.
Accepted on: 29 May 2017.
___________________Energy---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 12 April 2002.
Revised on: 01 June 2002.
Accepted on: 20 June 2002.
___________________Energy---PERGAMON-ELSEVIER SCIENCE LTD