@article{ref1,
title="Industrial medicine in relation to ergonomics of navigation and shipbuilding",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1970",
author="Franz, J.",
volume="20",
number="2",
pages="50-53",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}