TY  - BOOK
AU  - HANSEN, Per Brinch
AU  - 
TI  - Operating system principles
SN  - 0876921357
U1  - 005.43 
PY  - 1973///(1980)
CY  - DELHI
PB  - PRENTICE-HALL OF INDIA
KW  - OPERATING SYSTEMS
ER  -