Provenance, modification and use of manganese-rich rocks at Le Moustier (Dordogne, France) Pitarch Martí, Africa ; d'Errico, Francesco ; Turq, Alain ; Lebraud, Eric ; Discamps, Emmanuel ; Gravina, Brad Abstract Publication: PLoS ONE Pub Date: July 2019 DOI: 10.1371/journal.pone.0218568 Bibcode: 2019PLoSO..1418568P