The Wealth of India  a dictionary of Indian raw materials and industrial products 
Council of Scientific and Industrial Research. 
 - New Delhi  Publications and Information Directorate  c1976. 
 - xiix, 591p.: ill.; 28 cm. 
<br/><br/> Contents: v.10: Sp-W. Raw Materials. 
<br/><br/><label>Dewey Class. No.: </label>333.70954  / W26W