Bureau of Indian Standard <br/><br/>
IS : 456 2000 

 - 4th 
 - New DElhi  Bureau of Indian Standard  2005 
 - 100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Dewey Class. No.: </label>624  / BU-I