Ryff, Peter; Platnick, David & Karnas, Joseph <br/><br/>
Electrical mechanies and transformers  Principles and applications 

 - Prentice-Hall, America  1982 
 - xvi,448 
<br/><br/><label>ISBN: </label>0-13-247222-8 
<br/><br/><label>Dewey Class. No.: </label>621.31042 F.R