Sandretto, Peter C. <br/><br/>
Principles of aeronautical radio engineering /   
by P. C. Sandretto. 
 - 1st ed. 
 - New York,  London,  McGraw-Hill Book Company, inc.,  1942. 
 - xiii, 414 p.  illus., diagrs.  24 cm. 
<br/><br/><label>LCCN: </label>42052187  
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIO EN AERONÁUTICA<br/>NAVEGACIÓN (AERONÁUTICA)