TY  - BOOK
AU  - Chang,Kang-tsung
TI  - Introduction to geographic information systems
SN  - 0072382694
U1  - 901.285 19
PY  - 2002///
CY  - Boston
PB  - McGraw-Hill
KW  - Geographic information systems
KW  - Spines
KW  - Map projection
N2  - General Collection
ER  -