"Rice-husk, ash, cement" 

 - New  York United Nations U. S. A.    1984 
 - 100p.  cm. 
<br/><br/><label>Standard No.: </label>92265 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cement Industry
<br/><br/><label>Dewey Class. No.: </label>"X9(D35).1(X).N8, M4"