@article{ref1,
title="Improving the behavior of drivers",
journal="American journal of public health",
year="1957",
author="Stack, H. J.",
volume="47",
number="4 Pt 1",
pages="446-451",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}