Doganis, Rigas <br/><br/>
Flying off course :  the economics of international airlines / 
Rigas Doganis 
 - 2 
 - London :  Routledge,  1991       
 - xv, 362 p. 
<br/><br/><label>ISBN: </label>0415084393 
<br/><br/><label>LC Class. No.: </label>TL 552 D654f 1991