@article{ref1,
title="Discussion of 'The overall program effects of California's 3-Tier Assessment System pilot on crashes and mobility among senior drivers' [J Safety Res 47 (2013) 1-8]",
journal="Journal of safety research",
year="2014",
author="Hennessy, David F. and Camp, Bayliss J.",
volume="48",
number="",
pages="111-115",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-4375",
doi="10.1016/j.jsr.2013.12.004",
url="http://dx.doi.org/10.1016/j.jsr.2013.12.004"
}