IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 2 > 327 - 331
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 3 > 519 - 522
IEEE Geoscience and Remote Sensing Letters > 2009 > 6 > 3 > 408 - 412