12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium, Geoscience and Remote Sensing Symposium, 1989. IGARSS'89. 12th Canadian Symposium on Remote Sensing., 1989 International. 4:2229-2231 1989
12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium, Geoscience and Remote Sensing Symposium, 1989. IGARSS'89. 12th Canadian Symposium on Remote Sensing., 1989 International. 4:2201-2202 1989