TY  - BOOK
AU  - Penfold,R.A.
TI  - Power supply projects
T2  - Bernard Babani
SN  - 0900162961
PY  - 1989///
CY  - London : 
PB  - Benard Babani (publishing) Ltd., 
KW  - Electronic apparatus and appliances
KW  - Power supply
KW  - Electronics
KW  - Amateurs' manuals
ER  -