1. Introduction to environmental remote sensing;Barrett,1992
2. Principles of geographical information systems for land resources assessment;Burrough,1990
3. Integration of remotely sensed data into a GIS for the assessment of land suitability;Conese;EARSeL Advances in Remote Sensing,1992
4. Integration of remote sensing with Geographic Information System: a necessary evolution;Ehlers;Photogrammetric Engineering and Remote Sensing,1989