TY  - BOOK
AU  - Heffer,D.E.
AU  - Keith,D.C.
AU  - King,G.A.
TI  - Basic principles and practice of microprocessors
SN  - 0713134267
PY  - 1981///
CY  - London
PB  - Edward Arnold
KW  - Microcomputers -- Amateurs' manuals
ER  -