@article{ref1,
title="Practical questions on the execution of the work safety law: catalogue of the activities of the safety engineers",
journal="Zentralblatt fur Arbeitsmedizin, Arbeitsschutz und Prophylaxe",
year="1976",
author="Mikfelder, H.",
volume="26",
number="2",
pages="40-42",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0340-7047",
doi="",
url="http://dx.doi.org/"
}