@article{ref1,
title="Visibility of vehicle rear lights in fog",
journal="Nature",
year="1973",
author="Lythgoe, J. N.",
volume="243",
number="5404",
pages="243-244",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-0836",
doi="",
url="http://dx.doi.org/"
}