TY  - BOOK
AU  - Burough, Peter A.
AU  - McDonnell, Rachael A.
TI  - Principles of geograhical information systems  
SN  - 0-19-823365-5
U1  - 910.295 
PY  - 2003///
CY  - New York
PB  - Oxford University Press
KW  - Geography
N1  - Includes index
ER  -