TY  - BOOK
AU  - Hansen, Per Brinch
TI  - Operating system principles
SN  - 0876921357
U1  - 001.64404 HAN 
PY  - 1984///
CY  - New Delhi
PB  - : Prentice-Hall of India Private Limited, 
KW  - Operating systems (Computers)
KW  - Computer programming -- Management
KW  - Hansen, Per Brinch
KW  - Computer Science
ER  -