@article{ref1,
title="Evolutionists take the long view on sex and violence",
journal="Science",
year="1993",
author="Gibbons, A.",
volume="261",
number="5124",
pages="987-988",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}