@article{ref1,
title="Unusual injuries caused by electric grinding equipments",
journal="Zahnãrztliche Welt, zahnãrztliche Rundschau, ZWR, vereinigt mit Zahnãrztliche Reform",
year="1968",
author="Schulz, P.",
volume="69",
number="4",
pages="110-113",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0301-1607",
doi="",
url="http://dx.doi.org/"
}