{"id":"001013324","type":"book","title":"Factors for Middle/Upper Palaeolithic tansition in Eastern Balkans","publisher":"Neanderthal Museum, Mettmann","publisher-place":"Mettmann","pages":"183-189","container-title":"Neanderthals and modern humans : Discussing the transition. Central and Eastern Europe from 50.000-30.000 B. P","author":[{"family":"Tsonev","given":"Tsoni"}],"issued":{"raw":"2000"}}