TY  - BOOK
AU  - Chang,Kang-tsung
TI  - Introduction to geographic information systems
SN  - 9780073051154
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill
KW  - Geographic information systems
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/toc/ecip0617/2006023787.html
ER  -