“…Within this framework, we specifically focus on the theory of the central core (Abric, 1976(Abric, , 1994(Abric, , 2001a(Abric, , 2001b(Abric, , 2003Flament, 1984Flament, , 1987Flament, , 1991Flament, , 1994aFlament, , 1999Gaymard, 2003Gaymard, , 2006Gaymard, , 2014Guimelli, 1993Guimelli, , 1998. This theory has been developed during the last 40 years.…”