Pumphrey, Fred H. <br/><br/>
Electrical engineering  : essential theory and typical applications 

 - New York :  Prentice-Hall,  1946 
 - 369 p. 
<br/><br/><label>LCCN: </label>59478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería eléctrica.
<br/><br/><label>Dewey Class. No.: </label>621.3  / P85