Electrical engineer's reference book /  [Books]. 
edited by M. A. Laughton, M. G. Say.  
 - 14th ed. 
 - London :  Butterworths,   1985 
 - 1 v. (various pagings) :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0408004320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering.