@article{ref1,
title="A violent state of mind?",
journal="Occupational health and safety",
year="1993",
author="Gerson, A.",
volume="62",
number="11",
pages="64-67",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}