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2. The manufacture and ornamentation of clay ossuaries in the Chalcolithic period. The 9th Archaeological Congress in Israel (Resumes of Lectures), 1982.
3. The archaeo-anthropological record of the Ma'avarot burial cave: implications for the Chalcolithic Levant. Abstract of paper presented at The II World Congress on Mummy Studies, Cartagena, Colombia (Resumes of Lectures), 1995.