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. 4:2704-2709 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. 1:348-353 1989