%0 Journal Article %A Texier, Pierre-Jean %A Porraz, Guillaume %A Parkington, John %A Rigaud, Jean-Philippe %A Poggenpoel, Cedric %A Miller, Christopher %A Tribolo, Chantal %A Cartwright, Caroline %A Coudenneau, Aude %A Klein, Richard %A Steele, Teresa %A Verna, Christine %+ Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T A Howiesons Poort tradition of engraving ostrich eggshell containers dated to 60,000 years ago at Diepkloof Rock Shelter, South Africa : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-F5BD-0 %F EDOC: 479681 %R 10.1073/pnas.0913047107 %D 2010 %J Proceedings of the National Academy of Sciences of the United States of America (PNAS) %V 107 %N 14 %& 6180 %P 6180 - 6185