TY  - BOOK
AU  - Clarke, Keith C.
TI  - Getting Started with Geographic Information Systems 
SN  - 9780131494985
U1  - 910.285 
PY  - 2011///
CY  - Boston : 
PB  - Prentice-Hall, 
KW  - Geographic Information Systems
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-13-149498-5.pdf
ER  -