TY  - BOOK
AU  - KORTE, George
TI  - G.I.S. BOOK : HOW TO IMPLEMENT, MANAGE AND ASSESS THE VALUE OF GEOGRAPHIC INFORMATION SYSTEMS
SN  - 981 240 228 4
U1  - 910.222 
PY  - 2001///
CY  - 
PB  - Onword Press, U.S.A. 
ER  -