IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2008 > 5 > 4 > 603 - 607
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 2 > 312 - 316
IEEE Geoscience and Remote Sensing Letters > 2010 > 7 > 4 > 866 - 869