TY  - BOOK
AU  - BURROUGH PETER A and McDONNELL RACHAEL A
TI  - Principles of Geographical Information Systems
SN  - 0-19-922862-0
PY  - 1998///
CY  - New York
PB  - Oxford University Press
KW  - Geographical Information Systems
KW  - Principles
KW  - Geographical
KW  - Information
KW  - Systems
ER  -