Quartz and Quartzite lithic raw material studies: problems and challenges

1. Abrunhosa, A.
2. Santonja, M.
3. Pérez-González, A.
4. Panera, J.
5. Méndez-Quintas, E.
6. Rubio-Jara, S.
7. Aubry, T.
8. dos Anjos Ribeiro, M.
9. Dimuccio, L.A.