TY - BOOK AU - Lo, Chor Pang, AU - Yeung, Albert K. W., TI - Concepts and techniques of geographic information systems T2 - PH series in geographic information science SN - 9788120339149 U1 - 910.285 LOC PY - 2009/// CY - New Delhi PB - PHI N1 - Includes bibliographical references and index. UR - http://catdir.loc.gov/catdir/toc/ecip0615/2006019006.html ER -