Chang, Kang-Tsung. Introduction to geographic information systems : Geographic information systems / Kang-tsung Chang. - 1st ed. - Boston : McGraw-Hill, c2002. - xviii, 348 p. ill., figs., maps ; 25 cm. Includes bibliographical references and index. ISBN: 0072382112 LCCN: 2001044140 Subjects--Topical Terms: Geographic information systems. LC Class. No.: G70.212 / .C4735 2002 Dewey Class. No.: 910.285/ C454i