IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2008 > 5 > 1 > 26 - 30
IEEE Geoscience and Remote Sensing Letters > 2011 > 8 > 1 > 44 - 48
IEEE Geoscience and Remote Sensing Letters > 2011 > 8 > 4 > 784 - 788