TY  - BOOK
AU  - Madnick, Stuart E.
AU  - Donovan, John J. -jt.auth.
TI  - Operating systems
SN  - 0-07-039455-5
U1  - 510 
PY  - 1974///
CY  - London
PB  - McGraw-Hill
KW  - Digital computer
KW  - Electronics
ER  -