Krishnamurthi, A.  <br/><br/>
The Welth of India: Adictionary of Indian Raw Materials and Industrial Products. Vol: 8th 

 - 1 
 - New Delhi  Publications & Information Directorate, C S I R  1969 
 - 438 
<br/><br/><label>Dewey Class. No.: </label>242  / SRI/W