TY  - BOOK
AU  - Martin,David
TI  - Geographic Information Systems: socioeconomic applications 
SN  - 0415125715
AV  - G70.2 .M364 1996
U1  - 910.285574 
PY  - 1996///
CY  - London
PB  - Routledge
KW  - Geographic information systems
ER  -