Submitted on: 04 August 2003.
Revised on: 20 October 2003.
Accepted on: 15 December 2003.
___________________IEEE Geoscience and Remote Sensing Magazine
Submitted on: 18 January 1999.
Revised on: 22 April 1999.
Accepted on: 15 June 1999.
___________________IEEE Geoscience and Remote Sensing Magazine
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Submitted on: 02 October 2003.
Revised on: 18 January 2004.
Accepted on: 02 March 2004.
___________________IEEE Geoscience and Remote Sensing Magazine
Submitted on: 06 April 2004.
Revised on: 14 June 2004.
Accepted on: 27 June 2004.
___________________IEEE Geoscience and Remote Sensing Magazine
Submitted on: 07 February 1999.
Revised on: 16 March 1999.
Accepted on: 16 April 1999.
___________________IEEE Geoscience and Remote Sensing Magazine
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