TY  - BOOK
AU  - Chang, Kang-Tsung 
TI  - Introduction to geographic information systems
SN  - 978-007-125920-0
U1  - Circ. 910.285 C454i 2008 -- Fourth edition. -- Int
PY  - 2008///
CY  - New York :  
PB  - McGraw-Hill
KW  - Geographic information systems.
N1  - Includes bibliographical references
ER  -