Norton, Hugh S. <br/><br/>
Modern transportation economics / 
Hugh S. Norton 
 - Columbus :  Charles E. Merrill Books,  c1963. 
 - xii, 463 p. :  ill., maps. ;  ii, 463 p. maps, diagrs. 24 cm. 
<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation--United_states<br/>United_states
<br/><br/><label>LC Class. No.: </label>NE203  / .N6 1963 
<br/><br/><label>Dewey Class. No.: </label>338.47385  / N888m