TY  - BOOK
AU  - Ormsby,Tim
AU  - Alvi,Jonell
TI  - Extending ArcView GIS: teach yourself to use ArcView GIS extensions : network analyst, spatial analyst, 3D analyst : self-study workbook for ArcView GIS users 
SN  - 1879102056
AV  - G 70.212 O76.1999
PY  - 1999///
CY  - Redlands, Calif.
PB  - Environmental Systems Research Institute
KW  - ArcView -
KW  - Manuales, etc
KW  - Sistemas de información geográfica -
ER  -