Fink, Donald G. <br/><br/>
Engineering electronics /  
by Donald G. Fink 
 - 1st ed. 
 - New York,  London,  McGraw-Hill Book Company, inc.,  1938. 
 - xiii, 358 p.  illus., diagrs.  24 cm. 
<br/><br/> "Respuesta a los problemas": p. 346-349. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRONES<br/>TUBOS AL VACÍO<br/>CIRCUITOS ELÉCTRICOS
<br/><br/><label>Universal Decimal Class. No.: </label>621.38