{"id":"001028836","type":"book","title":"The Bulgarian obsidian: myth or reality? The view of geologicts and archaeologists","publisher":"Université de Liège","publisher-place":"Liège","pages":"71-76","container-title":"The humanized mineral World. Towards social and symbolic evaluation of prehistoric technologies in South Eastern Europe. Proceedings of the ESF workshop, Sofia, 3-6 September 2003","author":[{"family":"Kunov","given":"Angel"}],"issued":{"raw":"2003"}}