@article{ref1,
title="The structural meaning of aggressiveness",
journal="Acta psychologica",
year="1958",
author="Frankenstein, C",
volume="14",
number="",
pages="253-280",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}