TY  - BOOK
AU  - Paul A. Longley
AU  - Longley,Paul A.
TI  - GEOGRAPHICAL INFORMATION SYSTEMS
SN  - 0471321826
U1  - 910.285 
PY  - 1999///
CY  - 
PB  - John Wiley, New York
KW  - Geographical Information Systems
N1  - Includes Bibliographical References And Index
ER  -