Burrough, P. A. Principles of geographical information systems / Peter A. Burrough and Rachael A. McDonnell. - New York : Oxford University Press, 1998. - xiii, 306 p. : ill. (some col.). ; 25 cm. - Spatial information systems and geostatistics. . Includes index. Includes bibliographical references. ISBN: 0198233663 (pbk. ) Subjects--Topical Terms: Geographic information systems.