@article{ref1,
title="Helmets: a new look at design and possible protection",
journal="Proceedings of the International Research Council on the Biomechanics of Injury conference",
year="1989",
author="Hope, P. D. and Chinn, B.p.",
volume="17",
number="",
pages="39-54",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="2235-3151",
doi="",
url="http://dx.doi.org/"
}