@article{ref1,
title="Comment on Williams and Farmer's evaluation of daytime running lights",
journal="Accident analysis and prevention",
year="1996",
author="Theeuwes, Jan and Riemersma, J.",
volume="28",
number="6",
pages="799-800",
abstract="Abstract unavailable.",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}