TY  - BOOK
AU  - Elmasri, Ramez
AU  - Carrick, A. Gil
AU  - Levine, David
TI  - Operating systems: a spiral approach
SN  - 9780071070942
U1  - 005.43 ELM 
PY  - 2010///
CY  - New Delhi
PB  - McGraw Hill Education Private Limited
KW  - Operating systems
ER  -