Lo, C. P. Concepts and techniques of geographic information systems / C. P. Lo, Albert Yeung. - 2nd ed. - Upper Saddle River, NJ : Pearson/Prentice Hall, 2007. - xii, 532 p. : ill. ; 28 cm. - Prentice-Hall series in geographic information science. . Includes bibl. references and index. ISBN: 013149502X(hbk) : SR231.00 Subjects--Topical Terms: Geographic information systems. Dewey Class. No.: 910.285 / L78 2007