Mohring, Herbert <br/><br/>
Transportation economics 
/ Herbert Mohring 
 - Cambridge, Mass.  Ballinger  1976 
 - xv, 174 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 165-170. 
<br/><br/><label>ISBN: </label>0884104192 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation