Abeysinghe, P. B <br/><br/>
Limestone resources of Sri lanka 

 - Colombo  Natural Resources, Energy and Science Authority 
 - [6],ii,60 p. 
 - Science Education Series, No. - 23 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIMESTONE<br/>NATURAL RESOURCES<br/>PAMPHLET BOX 66<br/>SCIENCE PUBLICATION