TY  - BOOK
AU  - Silberschatz, Abraham...[et al.].
AU  - Galvin, Peter B.
AU  - Gagne, Greg
TI  - Operating system concepts
SN  - 9788126520510
AV  - 18508-18512 
U1  - 005.43 22
PY  - 2011///
CY  - New Delhi, 
PB  - Wiley India Pvt Ltd., 
ER  -