@article{ref1,
title="Violence in the Atacama Desert during the Tiwanaku period: Social tension?",
journal="International journal of osteoarchaeology",
year="2004",
author="Lessa, Andrea and De Sousa, SM",
volume="14",
number="5",
pages="374-388",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1047-482X",
doi="",
url="http://dx.doi.org/"
}