TY  - BOOK
AU  - Garcia-Molina, Hector.
AU  - Ullman, Jeffrey D.
AU  - Widom, Jennifer.
TI  - Database systems: the complete book 
SN  - 9789332518674
U1  - 005.74  2
PY  - 2011///
CY  - New Delhi
PB  - Pearson
KW  - Algebraic and logical query languages
KW  - Programming languages for XML
ER  -