Williams, Ralph R. <br/><br/>
The language of aviation in English  flying and traffic control 
Ralph R. Williams. 
 - New York  Regents Pub. Co.  c1978. 
 - vi, 119 p.  ill.  23 cm. 
 - English for careers .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0883453460 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Terminology.