@article{ref1,
title="Shock-induced fighting: psychopharmacological studies",
journal="Aggressive behavior",
year="1981",
author="Sheard, M. H.",
volume="7",
number="1",
pages="41-49",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}