TY  - BOOK
AU  - Levine, David
TI  - Operating systems: a spiral approach
SN  - 9780070164543
U1  - Circ. 005.43 E48o 2010 
PY  - 2010///
CY  - Boston: 
PB  - McGraw-Hill Higher Education, 
KW  - 1. Computer operating systems
N1  - Includes bibliographical references & index
ER  -