TY  - BOOK
AU  - Elmasri Ramez 
TI  - Operating sytem ; a spiral approach
SN  - 9780070164543
AV  - QA 76.76.063.E4 2010 
PY  - 2010///
CY  - Boston
PB  - McGraw Hill
KW  - operating systems (computer) textbooks
ER  -