TY  - BOOK
AU  - Tang Winnie 
AU  -  Selwood Jan Ed
TI  - Spatial Portals
SN  - 1589481313
U1  - 910.285 TAN 
PY  - 2005///
CY  - California
PB  - ESRI Press
KW  -  Portals
KW  -  Spatial
KW  - Geography
ER  -