{"id":"001230102","type":"book","title":"Chipped-stone assemblage of Hotnitsa-Vodopada (eneolithic/Early Bronze Age transition in Northern Bulgaria) and the problem of the earliest \"Steppe invasion\" in Balkans","publisher":"Service de Préhistoire, Université de Liège","pages":"241-264","container-title":"Préhistoire Européenne, 7 (1995","author":[{"family":"Sirakov","given":"Nikolay"}],"issued":{"raw":"1995"}}