Li, Zhilin. Digital terrain modeling : principles and methodology / by Zhilin Li, Qing Zhu and Christopher Gold. - / . - New York : CRC Press , 2004. - xv, 323p. : ills. ; 24cm . Includes index ISBN: 0415324629 GBP79.99 Subjects--Index Terms: DIGITAL MAPPING-METHODOLOGY Dewey Class. No.: 526 / LI/D