An introduction to urban geographic information systems / William E. Huxhold. Huxhold, William E. Geography Data processing. Cities and towns Data processing. G70.2 .H88 1991 910.285 HUI Includes bibliographical references and index. New York : Oxford University Press, 1991. 1991. 1991 Text xxiii, 337 p., [8] p. of plates : http://www.loc.gov/catdir/enhancements/fy0604/90007095-d.html eng Spatial information systems