@article{ref1,
title="Opinions of Maryland State Police officers on traffic accident causes and prevention",
journal="Public health reports (1896)",
year="1966",
author="Wellner, A. M. and Hungerford, Dan and Anderson, D.",
volume="81",
number="10",
pages="919-925",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6214",
doi="",
url="http://dx.doi.org/"
}