Harter James H.,Lin Paul Y. <br/><br/>
Essentials of electric circuits 

 - 2nd ed 
 - A reston book Prentice-Hall Englewood Cliffs, New Jersey  1986 
 - p.818 
<br/><br/><label>ISBN: </label>0-8359-1787-8 
<br/><br/><label>Dewey Class. No.: </label>621.3192 Har