A new Aurignacian engraving from Abri Blanchard, France: Implications for understanding Aurignacian graphic expression in Western and Central Europe by Bourrillon, R, White, R, Tartar, E, Chiotti, L, Mensan, R, Clark, A, Castel, J, Cretin, C, Higham, T, Morala, A, Ranlett, S, Sisk, M, Deviese, T, Comeskey, D