Arora, N. L. <br/><br/>
Text Book of Railways Bridges and Tunnels 

 - Bombay  New India Publishing House  1996 
 - p.139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railway Bridges and Tunnels Track Construction  Selection and Investigation 
<br/><br/><label>Dewey Class. No.: </label>625.1 A769T