TY  - BOOK
AU  - BURROUGH, P.A
AU  - MCDONNELL,RACHAEL A.
TI  - Principles of geographical information systems
SN  - 0-19-922862-0
U1  - GEO 910.285425 
PY  - 2007///
CY  - Oxford
PB  - Oxford University Press
KW  - GEOGHAPHICAL INFORMATION SYSTEMS(GIS)
ER  -