IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 2 > 307 - 311
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 2 > 253 - 257
IEEE Geoscience and Remote Sensing Letters > 2012 > 9 > 2 > 194 - 198