@article{ref1,
title="Tinted and reflection-free eyeglasses in reference to industrial safety, socical medical and industrial medical as well as social judicial opinion",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1970",
author="Hartmann, Ellen",
volume="20",
number="10",
pages="293-296",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}