TY  - BOOK
AU  - Jensen John R
AU  - Jensen Ryan R
TI  - Introductory Geographic Information Systems
SN  - 9780136147763
U1  - 910.28 JEN 
PY  - 2012///
CY  - New York
PB  - Pearson
KW  -  Information
KW  -  Systems
KW  - Geographic
ER  -