Leveson, L.F. <br/><br/>
Sky talk : English for air communication 

 - Cheltenham  Longman  1984 
 - xiv, 162 p.  24 cm 
<br/><br/> 001361  L 118 
<br/><br/><label>ISBN: </label>859501620 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air traffic control--Languages
<br/><br/><label>Dewey Class. No.: </label>428.24  / S629