@article{ref1,
title="NIOSH safety research in protective helmets",
journal="American Industrial Hygiene Association journal",
year="1974",
author="Kamin, J. I. and Scalone, A. A.",
volume="35",
number="8",
pages="489-502",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}