TY  - BOOK
AU  - Gorr, Wilpen L.
AU  - Kurland, Kristen S.
TI  - GIS tutorial 1: basic workbook
SN  - 9781589482593
U1  -  910.285 
PY  - 2011///
CY  - Redlands,USA
PB  - ESRI Press
ER  -