Helfrick, Albert D. <br/><br/>
Modern aviation electronics / Albert Helfrick. 

 - Englewood Cliffs, N.J. : Prentice Hall Career and Technology, c1994. 
 - viii, 367 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>9780130976925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Avionics.
<br/><br/><label>Dewey Class. No.: </label>629.135 HEL