Sharma O.P. <br/><br/>
Railways Bridge Tunnels 

 - Ludhiana  Katson Publishing, Ludhiana  1978 
<br/><br/><label>ISBN: </label>0000008189 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics & Communication EngineeringBridge  Railways  Tunnels
<br/><br/><label>Dewey Class. No.: </label>629.04