TY  - BOOK
AU  - Madnick,Stuart E  .
AU  - Donovan ,John J  .
TI  - Operating systems / 
T2  - Computer science series, 
SN  - 0070394555
U1  - 005.43 
PY  - 1974///
CY  - NewDelhi : 
PB  - McGraw-Hill Book , 
KW  - OPERATING SYSTEMS
N1  - Includes index
ER  -