Submitted on: 07 November 2002.
Revised on: 19 December 2002.
Accepted on: 13 February 2003.
___________________IEEE Geoscience and Remote Sensing Letters
Submitted on: 24 February 2007.
Revised on: 19 June 2007.
Accepted on: 14 July 2007.
___________________IEEE Geoscience and Remote Sensing Letters
Submitted on: 01 August 2004.
Revised on: 19 November 2004.
Accepted on: 02 January 2005.
___________________IEEE Geoscience and Remote Sensing Letters
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Submitted on: 06 January 2001.
Revised on: 30 March 2001.
Accepted on: 17 May 2001.
___________________IEEE Geoscience and Remote Sensing Letters
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Submitted on: 28 August 2003.
Revised on: 15 December 2003.
Accepted on: 28 December 2003.
___________________IEEE Geoscience and Remote Sensing Letters
Submitted on: 08 October 2005.
Revised on: 29 November 2005.
Accepted on: 24 January 2006.
___________________IEEE Geoscience and Remote Sensing Letters
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