@article{ref1,
title="An Additional Factor to Considered be in Calculating Automobile Fatality Rates",
journal="American journal of public health",
year="1937",
author="Porsche, H. L. and Stein, P.",
volume="27",
number="5",
pages="511-513",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}