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R. González-José, M. C. Bortolini, F. R. Santos, S. L. Bonatto: The peopling of America: craniofacial shape variation on a continental scale and its interpretation from an interdisciplinary view. In: American journal of physical anthropology. Band 137, Nummer 2, Oktober 2008, ISSN1096-8644, S. 175–187, doi:10.1002/ajpa.20854, PMID 18481303.
R. González-José, M. C. Bortolini, F. R. Santos, S. L. Bonatto: The peopling of America: craniofacial shape variation on a continental scale and its interpretation from an interdisciplinary view. In: American journal of physical anthropology. Band 137, Nummer 2, Oktober 2008, ISSN1096-8644, S. 175–187, doi:10.1002/ajpa.20854, PMID 18481303.