Submitted on: 29 July 2002.
Revised on: 06 August 2002.
Accepted on: 31 August 2002.
Renewable Energy---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 28 October 2001.
Revised on: 15 November 2001.
Accepted on: 26 November 2001.
Renewable Energy
Submitted on: 08 December 2016.
Revised on: 21 January 2017.
Accepted on: 12 February 2017.
Renewable Energy---PERGAMON-ELSEVIER SCIENCE LTD