TY  - BOOK
AU  - Penfold,R.A.
TI  - Practical electronic building blocks
SN  - 0859340929
PY  - 1983///
CY  - Shepherds Bush road, London : 
PB  - Bernard Babani Pub. Ltd., 
KW  - Electronic circuits
KW  - Amateurs' manuals
ER  -