Beckmann, George M. <br/><br/>
Studies in the conomics of transportation 
by George M. Beckmann 
 - New Haven  Yale University Press  1956 
 - 232p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation
<br/><br/><label>Dewey Class. No.: </label>W B289