Are hand stencils in european cave art older than we think? an evaluation of the existing data and their potential implications

1. Pettitt, P.
2. Arias, P.
3. García-Diez, M.
4. Hoffmann, D.
5. Maximiano Castillejo, A.
6. Ontañon-Peredo, R.
7. Pike, A.
8. Zilhão, J.