@article{ref1,
title="Fleet Safety",
journal="Traffic quarterly",
year="1960",
author="Ray, C.",
volume="14",
number="4",
pages="518-527",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}