Electrical engineer's reference book 

 - Laughton, M. A. ; Say, M. G. ; 14th. ed. 
 -  illustrations ;   25 cm 
<br/><br/><label>ISBN: </label>0408004320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering
<br/><br/><label>Dewey Class. No.: </label>621.3