TY  - BOOK
AU  - IAN HEYWOOD
TI  - AN INTRODUCTION TO GEOGRAPHICAL INFORMATION SYSTEMS
SN  - 9788131731932
U1  - 912 Q0 HEY 
PY  - 2010///
PB  - PEARSON EDUCATION
KW  - GRAPHIC REPRESENTATION SURFACE OF EARTH [GIS, Atlases, Maps, Charts]
ER  -