TY  - BOOK
AU  - Clarke, Keith C
TI  - Getting started with geographic information systems
SN  - 9780131494985
U1  - 910.285 CLA/G 
PY  - 2011///
CY  - U.S.A
PB  - Prentice Hall
KW  - GIS
KW  - SPATIAL ANALYSIS
ER  -