@article{ref1,
title="Chin strap forces on bicycle helmets",
journal="International journal for consumer safety",
year="1995",
author="Andersson, Tommy",
volume="2",
number="1",
pages="1-11",
abstract="Abstract unavailable.<p />",
language="",
issn="0929-8347",
doi="",
url="http://dx.doi.org/"
}