@article{ref1,
title="Human behaviour: killer instincts",
journal="Nature",
year="2008",
author="Jones, Deann",
volume="451",
number="7178",
pages="512-515",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-0836",
doi="10.1038/451512a",
url="http://dx.doi.org/10.1038/451512a"
}