Deraniyagala, S.U. <br/><br/>
The prehistory of Sri Lanka : an ecological  perspective 
<label>/ by </label> Deraniyagala, S.U. 
 - Colombo  Dept. of Archaeological Survey  1992 
 - xv,366p.  ill  30 cm. 
<br/><br/>SC 
<br/><br/><label>ISBN: </label>9559159003 
<br/><br/><label>Dewey Class. No.: </label>954.93  / D