Esso Air World. 

 - New York :    Esso International Inc.,    1966 - 
 - v. :    ill. ;    30 cm. 
 - Bimonthly 
<br/><br/>  Latest issue consulted: Vol. 25, no. 1 (1972). 
<br/><br/><label>Dewey Class. No.: </label>629.1305