An Upper Palaeolithic engraved human bone associated with ritualistic cannibalism Bello, Silvia M. ; Wallduck, Rosalind ; Parfitt, Simon A. ; Stringer, Chris B. Abstract Publication: PLoS ONE Pub Date: August 2017 DOI: 10.1371/journal.pone.0182127 Bibcode: 2017PLoSO..1282127B