Statistics division :  report of the 4th session como, Italy 

 - Montreal :  International Civil Aviation Organization,  1964 
 - 235 p. ;  27 cm. 
 - International civil avition organization .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistical analisis<br/>Statistical data
<br/><br/><label>Dewey Class. No.: </label>387.7063