TY  - BOOK
AU  - Worrall, Les.
TI  - Spatial analysis and spatial policy using geographic information systems / 
SN  - 81-239-0056-2
U1  - UOaF 
PY  - 1991///
CY  - New Delhi-110002 : 
PB  - CBS Publishers & Distributors (P) Ltd. , 
KW  - Geographic Information systems
ER  -