Selected working paper's, V.2 :  all-weather operations panel, third meeting, Montreal 1-21 April 1967 

 - Montreal :  ICAO,  1967 
 - iv, 405 p. :  chart ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation (Aeronautics)--Congresses<br/>Aeronautics--Congresses
<br/><br/><label>Dewey Class. No.: </label>629.1324