TY  - BOOK
AU  - Chrisman,Nicholas, x
AU  - x
TI  - Exploring geographic information systems: x
SN  - 0471108421
U1  - R025.0691/C554e 
PY  - 1997///
CY  - New York
PB  - Wiley
KW  - Ceographic information systems
KW  - Geographic information systems
N1  - Includes
ER  -