@article{ref1,
title="The seeing factors in traffic safety",
journal="Sight-saving review",
year="1949",
author="Lebensohn, J. E.",
volume="19",
number="4",
pages="191-200",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-4822",
doi="",
url="http://dx.doi.org/"
}