TY  - BOOK
AU  - Heywood, Ian
TI  - Introduction to geographical information systems
SN  - 81-7758-784-6
U1  - 551.0113 
PY  - 2006///
CY  - Delhi
PB  - Pearson
KW  - Data modelling
KW  - Geographical information systems
KW  - Geology
N1  - Includes bibliographical references and index; Book emporium
ER  -