TY  - GEN
AU  - Heywood, Ian
AU  - Cornelius, Sarah
AU  - Carver,Steve
TI  - An introduction to geographical information systems
SN  - 8178089823
U1  - 910 
PY  - 2002///
CY  - New Delhi
PB  - Pearson education, 
KW  - Applied physics
KW  - Electronic engineering
KW  - Computers
KW  - Geographical information
KW  - Information systems
KW  - Data analysis
ER  -