TY  - BOOK
AU  - Silberschatz, Abraham...[et al.].
AU  - Galvin, Peter B. 
AU  - Gagne, Gerg 
TI  - Operating system concepts
SN  - 9788126554270
AV  - 18503-18505 
U1  - 005.3 22
PY  - 2015///
CY  - New Delhi, 
PB  - Wiley India Pvt. Ltd. 
ER  -