Transportation economics    A conference of the Uni    

 - New York  National Bureau of Economic Research       1965 
 - xviii,464p.  cm. 
 - Its Special Conference Series. 17 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transport Economics
<br/><br/><label>Dewey Class. No.: </label>X4z7, K5