Submitted on: 30 July 2007.
Revised on: 21 August 2007.
Accepted on: 16 September 2007.
___________________COMPEL-THE INTERNATIONAL JOURNAL FOR COMPUTATION AND MATHEMATICS IN ELECTRICAL AND ELECTRONIC ENGINEERING
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Submitted on: 26 September 2006.
Revised on: 12 November 2006.
Accepted on: 21 December 2006.
___________________COMPEL-THE INTERNATIONAL JOURNAL FOR COMPUTATION AND MATHEMATICS IN ELECTRICAL AND ELECTRONIC ENGINEERING
Submitted on: 09 November 2000.
Revised on: 15 February 2001.
Accepted on: 21 March 2001.
___________________COMPEL-THE INTERNATIONAL JOURNAL FOR COMPUTATION AND MATHEMATICS IN ELECTRICAL AND ELECTRONIC ENGINEERING