@article{ref1,
title="SHRP 2 naturalistic driving study: the first data analysis studies",
journal="Journal of safety research",
year="2015",
author="Hedlund, James",
volume="54",
number="",
pages="3-4",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-4375",
doi="10.1016/j.jsr.2015.06.002",
url="http://dx.doi.org/10.1016/j.jsr.2015.06.002"
}