TY  - BOOK
AU  - Elmasri,R.
AU  - Carrick,A.G.
AU  - Levine,D.
TI  - Operating systems: a spiral approach 
SN  - 9780072449815 
AV  - DUCE QA76.76.O63E4865 
PY  - 2010///
CY  - Boston
PB  - McGraw Hill
KW  - Operating systems (Computers)
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -