Fossil directeur : 16th SKAM Lithic workshop : abstract book ; Nitra, Slovak Republic, 21 - 23 of October 2019 - Nemergut, Adrián (archeológ); Cheben, Ivan; Ruttkayová, Jaroslava, 1960-; Pyżewicz, Katarzyna (Institut of Archaeology, Slovak Academy of Sciences, 2019)