Chadha, Y.R <br/><br/>
The wealth of India (a dictionary of Indian raw materials and industrial products), Vol.X  Sp-W 

 - New Delhi  Publications & Information Directorate, CSIR  1976 
 - xlix,591,xxv p.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>333.70954  / WEA