{"id":"001070698","type":"book","title":"Surface pressure flaking in Northern Eurasia at the Mesolithic-Neolithic transition-a technological virus?","publisher":"Archaeopress","publisher-place":"Oxford","pages":"55-76","container-title":"A Circumpolar reappraisal. The legacy of Gutorm Gjessing (1906-1979). Proceedings of an International Conference Trondheim, Norway 10-12th October 2008","author":[{"family":"Darmark","given":"Kim"}],"issued":{"raw":"2010"}}