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

 - New York, London :   McGraw-Hill,   1947. 
 - 568 p. : il. ; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MAQUINAS ELECTRICAS<br/>MOTORES<br/>TRANSFORMADORES
<br/><br/><label>Universal Decimal Class. No.: </label>VI-13