Economics of diesel and electric traction. 

 - New Delhi :  NCAER ,  1970 
 - xii, 115p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroad transportatiton<br/>Costs<br/>Electrification
<br/><br/><label>Dewey Class. No.: </label>385.7  / NCAER