TY  - BOOK
AU  - Madnick, Stuart E.
AU  - Donovan, John J. 
TI  - Operating systems / 
SN  - 0070394555
U1  - 005.43 MAD D  
PY  - 1974///.
CY  - London : 
PB  - McGraw-Hill Book Company, 
KW  - Operating systems (Computers)
KW  - Computer programming
ER  -