@article{ref1,
title="Optical requirements of the motorist",
journal="Hefte zur Unfallheilkunde",
year="1958",
author="Jaensch, P. A.",
volume="56",
number="",
pages="207-209",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}