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Submitted on: 08 August 2010.
Revised on: 07 November 2010.
Accepted on: 05 January 2011.
___________________IET Renewable Power Generation
Submitted on: 26 May 2005.
Revised on: 01 August 2005.
Accepted on: 23 September 2005.
___________________IET Renewable Power Generation
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Submitted on: 01 June 2008.
Revised on: 12 July 2008.
Accepted on: 25 July 2008.
___________________IET Renewable Power Generation
Submitted on: 02 July 2006.
Revised on: 25 September 2006.
Accepted on: 12 October 2006.
___________________IET Renewable Power Generation
Submitted on: 02 June 2004.
Revised on: 12 July 2004.
Accepted on: 08 September 2004.
___________________IET Renewable Power Generation
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