Deraniyagala, S. U. <br/><br/>
The prehistory of Sri Lanka :  an ecological perspective / 
S. U. Deraniyagala 
 - Michigan :  UMI Dissertation information service,  1989 
 - 3 v. :  ill., maps ;  31 cm. 
 - Memoir ;  v. 8 .
<br/><br/> Thesis (Ph. D.) - Harvard University 
<br/><br/><label>ISBN: </label> USD 59.22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prehistoric peoples--Sri Lanka
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sri Lanka--Antiquities
<br/><br/><label>Dewey Class. No.: </label>954.93