TY  - BOOK
AU  - DeMers,Michael N.
TI  - Fundamentals of geographic information systems
SN  - 0471142840
U1  - 910.285 DEM 
PY  - 1997///
CY  - New York
PB  - J. Wiley & Sons
KW  - Geographic information systems
N1  - Includes bibliographical references and index
ER  -