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Un sistema de comunicación hace 34-43 ka: marcas, líneas y cruces que adornan las herramientas y figuritas auriñacienses, Humans 40,000 y ago developed a system of conventional signs
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Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly…
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Roberto Sáez