@article{ref1,
title="The seven potentially deadly sins of safety",
journal="Occupational health and safety",
year="2003",
author="Helmer, Gary W.",
volume="72",
number="9",
pages="40-2, 44",
abstract="Abstract unavailable.",
language="",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}