@article{ref1,
title="Effect of a protective device in the reduction of head injury",
journal="Proceedings of the International Research Council on the Biomechanics of Injury conference",
year="1973",
author="Goldsmith, Werner and Khalil, Tawfik B.",
volume="1",
number="",
pages="355-359",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="2235-3151",
doi="",
url="http://dx.doi.org/"
}