@article{ref1,
title="Estimation of automobile speed under day and night conditions",
journal="Human factors",
year="1982",
author="Berenyi, J. S. and Triggs, Thomas J.",
volume="24",
number="1",
pages="111-114",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}