TY  - BOOK
AU  - Shekhar,Shashi
AU  - Chawla,Sanjay
TI  - Spatial databases: a tour 
SN  - 9788131726280
U1  - 910.285 21
PY  - 2003///.[Reprinted2009]
CY  - New Delhi
PB  - Pearson Education
KW  - Geographic information systems
N1  - Includes bibliographical references (p. 250-257) and index
ER  -