@article{ref1,
title="An evolutionary analysis of psychological pain following rape III. Effects of force and violence",
journal="Aggressive behavior",
year="1990",
author="Thornhill, NW and Thornhill, R",
volume="16",
number="5",
pages="297-320",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}