Stratford, A. H. <br/><br/>
Air transport economics inthe supersonic era / 
Alan H. Stratford. 
 - 2nd ed. revised and extended. 
 - London :  Macmillan,  1973 
 - xiv,506,(8)p :  ill, maps ;  23cm 
<br/><br/> Previous ed. 1967 
<br/><br/><label>ISBN: </label>0333136705 
<br/><br/><label>LCCN: </label>72084866 
<br/><br/><label>Nat. Bib. No.: </label>B7301233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airlines--Cost of operations<br/>Aeronautics, Commercial
<br/><br/><label>Dewey Class. No.: </label>387.7