Did you mean: Search also for broader subjects Search also for related subjects Search also for narrower subjects geographical information systems Burrough, P. A. Principles of geographical information systems for land resources assessment. Remote Sensing and Geographical Information Systems - MS Thesis. Remote Sensing and Geographical Information Systems - Ph.D Thesis. Geographical Information Systems MS-Thesis Geographical Information Systems and Remote - MS Theses. An Introduction to Geographical Information Systems PhD-Remote Sensing and Geographical Information Systems