@article{ref1,
title="Are your traffic police trained?",
journal="Traffic quarterly",
year="1948",
author="Kreml, F.m.",
volume="2",
number="4",
pages="415-426",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}