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Investigations Into the Mineralogy and Petrology of the Artefacts and Sediments from the Lower Palaeolithic Site of Pontnewydd Cave, North Wales

Heather Jane Esther Jackson

出版	University of Wales, Bangor (Soil Science), 2002
URL	http://books.google.com.hk/books?id=pun9NwAACAAJ&hl=&source=gbs_api