TY  - BOOK
AU  - Hansen, Per Brinch.
TI  - Operating System Principles / 
SN  - 0-87692-135-7
U1  - Bv288 
PY  - 2014///
CY  - New Delhi-1 : 
PB  - Prentice-Hall of india Pvt. Ltd. , 
KW  - Operating System
ER  -