Future directions for research in urban transportation 

 - Paris  Organisation for Economic Cooperation and Development       1969 
 - 158p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Road Transport Economics
<br/><br/><label>Dewey Class. No.: </label>X411.1N6.N6, K9