Methods for Sampling of Burnt Clay Tiles (IS: 8920 - 1978). 

 - 1st Revision 
 - New Delhi :  Indina Standards Institution,  c1979. 
 - 7 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay--Standards--India
<br/><br/><label>Dewey Class. No.: </label>691.4  / MET