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Submitted on: 03 October 2000.
Revised on: 26 January 2001.
Accepted on: 12 February 2001.
___________________IEEE Access---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Submitted on: 12 March 2005.
Revised on: 22 June 2005.
Accepted on: 14 August 2005.
___________________IEEE Access---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Submitted on: 22 December 2009.
Revised on: 18 April 2010.
Accepted on: 16 June 2010.
___________________IEEE Access---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Submitted on: 23 October 2003.
Revised on: 11 December 2003.
Accepted on: 23 December 2003.
___________________IEEE Access---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC