Society of American Foresters. Remote Sensing Working Group, United States. Forest Service, University of Arizona. Office of Arid Lands Studies, & Forest Service Remote Sensing Applications Conference (3rd : 1990 : University of Arizona). (1990). Protecting natural resources with remote sensing: The Third Forest Service Remote Sensing Applications Conference held at the Unversity of Arizona and the Doubletree Inn, Tucson, Arizona, April 9-13, 1990. American Society of Photogrammetry and Remote Sensing.

Society of American Foresters. Remote Sensing Working Group, United States. Forest Service, University of Arizona. Office of Arid Lands Studies, and Forest Service Remote Sensing Applications Conference (3rd : 1990 : University of Arizona). Protecting Natural Resources with Remote Sensing: The Third Forest Service Remote Sensing Applications Conference Held at the Unversity of Arizona and the Doubletree Inn, Tucson, Arizona, April 9-13, 1990. Bethesda, Md: American Society of Photogrammetry and Remote Sensing, 1990.

Society of American Foresters. Remote Sensing Working Group, et al. Protecting Natural Resources with Remote Sensing: The Third Forest Service Remote Sensing Applications Conference Held at the Unversity of Arizona and the Doubletree Inn, Tucson, Arizona, April 9-13, 1990. American Society of Photogrammetry and Remote Sensing, 1990.