TY  - BOOK
AU  - Silberschatz, Abraham
AU  - Silberschatz, Abraham
AU  - Korth, Henry F
AU  - Sudarshan, S
TI  - Database system concepts.- 6th Ed
SN  - 978 007 132522 6
PY  - 2011///
CY  - Singapore
PB  - McGraw Hill
ER  -