TY  - BOOK
AU  - Barron, David
TI  - Computer operating systems for micros,minis and mainframes
SN  - 0-412-15630-x
U1  - 001.6425 
PY  - 1971///
CY  - London
PB  - Chapman and Hall
KW  - Data Processing
KW  - Computer Science
ER  -