Underdown, R. B. <br/><br/>
Ground studies for pilots.  Radio aids / 
 Radio aids 
R.B. Underdown  
 - 6th ed. 
 - Malden, MA :  Blackwell Science,  2001. 
 - xvi, 296 p. :  ill. ; 
 - Ground studies for pilots series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0632055731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in aeronautics.
<br/><br/><label>LC Class. No.: </label>TL693  / .U53 2001