@article{ref1,
title="Illumination of large building sites with floodlight",
journal="Zeitschrift fur die Gesamte Hygiene und Ihre Grenzgebiete",
year="1970",
author="Gaebelein, H. and Wahl, F.",
volume="16",
number="6",
pages="426-431",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0049-8610",
doi="",
url="http://dx.doi.org/"
}