Ruppenthal Karl M. <br/><br/>
Issues in transportation economics 

 - Ochio  Charles E. Merrill          1965 
 - xi,349p.  cm. 
<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