IEEE Geoscience and Remote Sensing Letters
IEEE Geoscience and Remote Sensing Letters > 2008 > 5 > 4 > 774 - 777
IEEE Geoscience and Remote Sensing Letters > 2014 > 11 > 10 > 1712 - 1716
IEEE Geoscience and Remote Sensing Letters > 2015 > 12 > 4 > 786 - 790