Eleventh biennial workshop on color aerial phostography and viseography in the plant sciences and related fields, April 27 - May 1, 1987 - Falls Church, VA American Society for Photogrammetry and Remote Sensing 1987 - xiv,343p. 24cm ISBN: 0-937294-94-2 Subjects--Topical Terms: Aerial photography LC Class. No.: GY TR810.C64