Deraniyagala, S. U. The prehistory of Sri Lanka An ecological perspective (Memoir Volume 8: Part I)/ S.U. Deraniyagala. - [Colombo] : Dept. of Archaeological Survey, Govt. of Sri Lanka, c1992- - xiv, 366 ill., maps ; 31 cm. - 1 . Memoir Volume 8; Part I ISBN: 9559159003 (v. 1) : Subjects--Topical Terms: Prehistoric peoples--Sri Lanka. Subjects--Geographic Terms: Sri Lanka--Antiquities. Dewey Class. No.: KMD 954.9301 / DER