IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 2 > 312 - 316
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 4 > 681 - 685
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 4 > 782 - 786