Rock Art at the Pleistocene/Holocene Boundary in Eastern South America Neves, Walter A. ; Araujo, Astolfo G. M. ; Bernardo, Danilo V. ; Kipnis, Renato ; Feathers, James K. Abstract Publication: PLoS ONE Pub Date: February 2012 DOI: 10.1371/journal.pone.0032228 Bibcode: 2012PLoSO...732228N