The Wealth of India:A Dictionary of Indian Raw Materials and Industrial Products:  Raw Materials ,Volume 11:X-Z and Cumulative Indexes// 
by CSIR 
 - New Delhi:  CSIR,Publications & Information Directorate,  1976. 
 - xxvii,385p. 
<br/><br/><label>Dewey Class. No.: </label>333.70954  / CSI/W V.11