IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2010 > 7 > 4 > 736 - 740
IEEE Geoscience and Remote Sensing Letters > 2011 > 8 > 2 > 220 - 224
IEEE Geoscience and Remote Sensing Letters > 2011 > 8 > 3 > 542 - 546