TY  - BOOK
AU  - Central Computer Agency
TI  - Microcomputer operating systems
SN  - 0116304243
U1  - 001.64 
PY  - 1979///
CY  - London
PB  - HMSO
KW  - Computer Science
KW  - Computer
KW  - Operating systems
N1  - Guide No. 10, Civil Service Department
ER  -