@article{ref1,
title="Automobile-barrier impacts, series II",
journal="Clinical orthopaedics",
year="1956",
author="Mathewson, J. H. and Severy, D. M.",
volume="8",
number="",
pages="275-300",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-8654",
doi="",
url="http://dx.doi.org/"
}