American Congress on Surveying and Mapping & American Society for Photogrammetry and Remote Sensing. (1989). GIS/LIS '89 proceedings : annual conference and exhibition, Orlando, Florida, November 26-30, 1989: Annual conference and exhibition, Orlando, Florida, November 26-30, 1989. American Society for Photogrammetry and Remote Sensing.
Chicago Style (17th ed.) CitationAmerican Congress on Surveying and Mapping and American Society for Photogrammetry and Remote Sensing. GIS/LIS '89 Proceedings : Annual Conference and Exhibition, Orlando, Florida, November 26-30, 1989: Annual Conference and Exhibition, Orlando, Florida, November 26-30, 1989. Bethesda, Md.: American Society for Photogrammetry and Remote Sensing, 1989.
MLA (9th ed.) CitationAmerican Congress on Surveying and Mapping and American Society for Photogrammetry and Remote Sensing. GIS/LIS '89 Proceedings : Annual Conference and Exhibition, Orlando, Florida, November 26-30, 1989: Annual Conference and Exhibition, Orlando, Florida, November 26-30, 1989. American Society for Photogrammetry and Remote Sensing, 1989.