Huxhold, William E. Managing geographic information system projects / William E. Huxhold, Allan G. Levinsohn. - New York : Oxford University Press, 1995. - xix, 247 p. : ill. ; Includes bibliographic referencea and index ISBN: 978015078695 Subjects--Topical Terms: Geographic information systems. LC Class. No.: G70.2 / .H89 1995