TY  - BOOK
AU  - Soar,R.N.
TI  - 50 simple L.E.D. circuits
T2  - Babani Press
SN  - 0859340430
PY  - 1977///
CY  - London : 
PB  - Babani Press, 
KW  - Light emitting diodes
KW  - circuits
ER  -