Soar, R.N. <br/><br/>
50 simple L.E.D. circuits /  [Books]. 
by R.N. Soar. Bk.2.  
 - London :   Babani,   1981. 
 - 57p. :   ill. ;   18cm. 
 - BP ;  87 .
<br/><br/><label>ISBN: </label>0859340627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light emitting diodes--Amateurs' manuals.
<br/><br/><label>Subjects--Index Terms: </label>Electronic equipment  Light-emitting diode circuits  Construction