“…The state of conservation of the bone tools, as most the finds of the cave, is exceptionally good and allows a functional study. The differentiation between anthropic and natural wear, as well as the evaluation criteria of the manufactural and use wear trace are based on a large reference literature (in particular: Newcomer, 1974;d'Errico et al, 1984;Bergman, 1987;Olsen, 1988;Shipman and Rose, 1988;Campana, 1989;Vincent, 1993;Villa, 1997, 1998;Feruglio and Buisson, 1999;Averbouh, 2000;Knecht, 2000;Villa and d'Errico, 2001;d'Errico and Backwell, 2003;Tartar, 2003Tartar, , 2012Choyke and Bartosiewicz, 2004;Goutas, 2004;Barth et al, 2006;Liolios, 2006;Sid era and Legrand, 2006;Backwell and d'Errico, 2008;Cristiani, 2008;Schwab, 2009;Tejero et al, 2012;P etillon and Averbouh, 2013).…”