@article{ref1,
title="Industrial medicine and tasks of the factory physician from the ophthalmologist's viewpoint",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1973",
author="Heydenreich, A.",
volume="67",
number="22",
pages="1129-1135",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}