@article{ref1,
title="Frequency of physical aggression in heterosexual and female homosexual dyads",
journal="Psychological reports",
year="1986",
author="Brand, P. A. and Kidd, A. H.",
volume="59",
number="3",
pages="1307-1313",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}