TY  - BOOK
AU  - Madnick,Stuart E.
AU  - Donovan,John J.
TI  - Operating systems
SN  - 0070394555
U1  - QA/76.6 
PY  - 1978///
CY  - Auckland
PB  - McGraw-Hill Book Company
KW  - Electronic digital computers -- Programming.
ER  -