TY - GEN AU - Deraniyagala , S.U. TI - The prehistory of Sri Lanka Vol; 8 part II: an ecologycal perspective SN - 9559159003 U1 - 954.93 PY - 1992/// CY - Colombo PB - Department of Archaeological Survey KW - ARCHAEOLOGY SRI LANKA KW - ARCHAEOLOGY KW - PREHISTORY SRI LANKA KW - ARCHAEOLOGY ECOLOGICAL ASPECTS SRI LANKA ER -