Lo, Chor Pang. Concepts and techniques of geographic information systems / C.P. Lo and Albert W.K. Yeung. - 2nd ed. - Upper Saddle River, NJ : Pearson Prentice Hall, c2007. - xii, 532 p. : ill. (some col.) ; 28 cm. Includes bibliographical references and index. ISBN: 9789332581883 (pbk.) LCCN: 2006019006 Subjects--Topical Terms: Geographic information systems. LC Class. No.: G70.212 / .L627 2007 Dewey Class. No.: 910.285 / LO