Ledger, A. S. P. and Roche, N. H. <br/><br/>
Fundamental electronics 

 - London  ; Blackie & Son  , 1967 
 - ix,593p. 
<br/><br/><label>ISBN: </label> £2.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.381  / LED