Herath, J.W. <br/><br/>
Industrial clays of Sri Lanka  Geology, mineralogy and appraisal for ceramics and other industries 

 - Geological Survey Department  Colombo  1973 
 - 113p 
 - Mineralogy Sri Lanka 
 - Economic Bulletin No. 1 .
<br/><br/><label>Nat. Bib. No.: </label>1334 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>553.61(548.7)HER 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Sciences
<br/><br/><label>Universal Decimal Class. No.: </label>553.61(548.7)  1