Electrical engineer's reference book :  Fourteenth Edition / 
M. A. Laughton & M. G. Say 
 - 14th ed. / 
 - Guildford :  Butterworths,  1985. 
 - Various Pages :  ill. ;  25 cm. 
<br/><br/> Previous ed.: 1973. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0408004320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering.
<br/><br/><label>LC Class. No.: </label>TK145 
<br/><br/><label>Dewey Class. No.: </label>621.3  / ELE1985