1. Analytical methods and modelling, state-of-the-art report for 7th Int. conf. on Terrain-Vehicle Systems;Melzer,1982
2. Digital national land information;Matsuda,1980
3. Raster scanning for operational digitizing of graphical data;Leberl;Photogrammetric Engineering and Remote Sensing,1982
4. Giras: A geographic information retrieval and analysis system for handling land use and land computer data;Mitchel;U.S. Geol. Serv. Prof. Paper,1977
5. Computer image generation for flight simulation;Schachter,1981