Systems Behaviour Module 2.  : air traffic control a man-machine system. 
Geoff paters with a contribution from Geoff Einon. 
 - England:  The Open University,  1973 
 - 104p. 
<br/><br/><label>ISBN: </label>33502601 X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air traffic control systems engineering.
<br/><br/><label>Dewey Class. No.: </label>658.4  / OPA