TY  - BOOK
AU  - Korte, George B .
TI  - The Gis Book
SN  - 981-240-228-4
U1  - 910.2 
PY  - 2001///
CY  - Alar Elken
PB  - On Word Press Staff
KW  - Geography
KW  - G-Geog
ER  -