Sampson, Roy J. <br/><br/>
Domestic transportation :  practice, theory and policy / 
Roy J. Sampson and Martin T. Farris. 
 - 2nd ed. 
 - Boston :  Houghton Mifflin,  c 1971. 
 - x, 493 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>340  340 
<br/><br/><label>ISBN: </label>0-395-11965-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>380 / S49d