@article{ref1,
title="A dura-foam protective helmet",
journal="Canadian journal of occupational therapy",
year="1960",
author="Hilliard, H.",
volume="27",
number="",
pages="83-84",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0008-4174",
doi="",
url="http://dx.doi.org/"
}