@article{ref1,
title="The human factor in traffic",
journal="Nederlands Tijdschrift Voor de Psychologie en Haar Grensgebieden",
year="1954",
author="Groenewegen, H. Y.",
volume="9",
number="1",
pages="67-77",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0028-2235",
doi="",
url="http://dx.doi.org/"
}