TY  - BOOK
AU  - Verbyla, David L
TI  - Practical GIS analysis
SN  - 415286093
SN  - 200528044
U1  - 910.285 VER 
PY  - 2002///
CY  - London
PB  - Taylor & Francis
KW  - Geographic information systems
N1  - Includes index
ER  -