@article{ref1,
title="The importance of depth perception in work-places and in road traffic",
journal="Fortschritte der Ophthalmologie",
year="1983",
author="Hartmann, Ellen and Stöcker, L.",
volume="80",
number="6",
pages="496-497",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0723-8045",
doi="",
url="http://dx.doi.org/"
}