@article{ref1,
title="Slow to catch on to the slow-moving vehicle emblem",
journal="Journal of agricultural safety and health",
year="2007",
author="Lehtola, Carol J.",
volume="13",
number="1",
pages="5-7",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1074-7583",
doi="",
url="http://dx.doi.org/"
}