TY  - BOOK
AU  - Chrisman,Nicholas
TI  - Exploring geographic information systems / 
SN  - 9780471108429
U1  - 621.367 
PY  - 1997///
CY  - New York : 
PB  - John Wiley , 
KW  - IMAGE PROCESSING
KW  - OPTICAL DATA PROCESSING
N1  - Includes bibliography and index
ER  -