TY  - BOOK
AU  - Chang,Kang-Tsung
TI  - Introduction to geographic information systems
SN  - 0072826827 
AV  - G70.212 .C4735 2006
U1  - 910.285 22
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill Higher Education
KW  - Geographic information systems
N1  - Includes references and index
ER  -