IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2008 > 5 > 4 > 615 - 619
IEEE Geoscience and Remote Sensing Letters > 2008 > 5 > 4 > 683 - 686
IEEE Geoscience and Remote Sensing Letters > 2011 > 8 > 1 > 103 - 107