Collins, Richard L.,  <br/><br/>
Mastering the systems 

 - xiii, 258 pages ;   22 cm 
<br/><br/><label>ISBN: </label>0025272454 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air traffic control
<br/><br/><label>Dewey Class. No.: </label>629.1366