TY  - BOOK
AU  - Elmasri, Ramez.
AU  - Carrick, A. Gil. 
AU  - Levine, David.
TI  - Operating systems : : a spiral approach 
SN  - 9780071070942
U1  - 005.43 ELM 23
PY  - 2010///
CY  - New Delhi
PB  - Tata Mcgraw hill
KW  - Operating systems (Computers)
KW  - Textbooks
N1  - Includes bibliographies and index
ER  -