TY  - BOOK
AU  - Soar,R.N.
TI  - 50 simple L.E.D. circuits
T2  - BP
SN  - 0859340627
PY  - 1981///
CY  - London : 
PB  - Babani, 
KW  - Light emitting diodes
KW  - Amateurs' manuals
KW  - Electronic equipment
KW  - Light-emitting diode circuits
KW  - Construction
ER  -