TY  - BOOK
AU  - Penfold,R.A.
AU  - Penfold,J.W.
TI  - Computer hobbyists handbook
SN  - 0859341968
U1  - QA/76.5 
PY  - 1989///
CY  - London
PB  - Bernard Babani (publishing) Ltd
KW  - Microcomputer systems.
ER  -