Gray, Alexander. <br/><br/>
Principles and practice of electrical engineering 

 - 3 ed. 
 - New York :  McGraw-Hill,  1924 
 - 448 p.  : ilus 
<br/><br/><label>LCCN: </label>15136 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería eléctrica.
<br/><br/><label>Dewey Class. No.: </label>621.3  / G73