Helfrick, Albert D. <br/><br/>
Modern aviation electronics / 
Albert D. Helfrick. 
 - 2nd ed. 
 - Englewood Cliffs, NJ :  Prentice Hall Career & Technology,  c1994. 
 - viii, 367 p. :  ill. ;  23 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>013097692X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Avionics.