{"id":"000985719","type":"book","title":"The Chalcolithic period in Central Anatolia","publisher-place":"Sofia","pages":"29-48","container-title":"The fourth Millennium B. C. Proceedings of the International Symposium, Nessebur, 28-30 august 1992","author":[{"family":"Summers","given":"G. D."}],"issued":{"raw":"1993"}}