{"id":"001198635","type":"book","title":"The Chaînes opératoires of Levallois site Pronyatyn, Western Ukraine","publisher":"Service de Préhistoire, Université de Liège","pages":"33-67","container-title":"Préhistoire Européenne, 13 (1998","author":[{"family":"Stepančuk","given":"V. N."}],"issued":{"raw":"1998"}}