TY  - BOOK
AU  - Penfold,R.A.
TI  - How to design electronic projects
T2  - BP
SN  - 085934102X
PY  - 1984///
CY  - London : 
PB  - Bernard Babani, 
KW  - Electronic apparatus and appliances
KW  - Amateurs' manuals
ER  -