@article{ref1,
title="Aggression and sport",
journal="Journal of sports medicine and physical fitness",
year="1969",
author="Antonelli, F.",
volume="9",
number="2",
pages="125-127",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4707",
doi="",
url="http://dx.doi.org/"
}