Upadhyay, A K. <br/><br/>
Railways, bridges and tunnels 

 - New delhi   S.K. kataria & sons  2015 
 - 272 p 
<br/><br/><label>ISBN: </label>9789350142899 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads--Pictorial works.
<br/><br/><label>LC Class. No.: </label>TF 145 .U63/