@article{ref1,
title="The physical circumstances of auto-pedestrian collisions",
journal="Arizona medicine",
year="1958",
author="Harper, W. W.",
volume="15",
number="4",
pages="266-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1556",
doi="",
url="http://dx.doi.org/"
}