Submitted on: 03 September 2006.
Revised on: 29 November 2006.
Accepted on: 23 January 2007.
___________________JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
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Submitted on: 16 August 2007.
Revised on: 22 October 2007.
Accepted on: 17 December 2007.
___________________JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
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Submitted on: 08 December 2005.
Revised on: 16 February 2006.
Accepted on: 11 April 2006.
___________________JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
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