@article{ref1,
title="Lighting for difficult visual tasks",
journal="Human factors",
year="1973",
author="Faulkner, T. W. and Murphy, T. J.",
volume="15",
number="2",
pages="149-162",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}