TY  - BOOK
AU  - Chang,Kang-Tsung
TI  - Introduction to geographic information systems
SN  - 9780077294366
AV  - G70.212 .C4735 2010
U1  - 028.7 22
PY  - 2010///
CY  - Dubuque, IA
PB  - McGraw-Hill
KW  - Geographic information systems
N1  - include index
ER  -