@article{ref1,
title="The use of ear protectors by ore breakers in uranium mines",
journal="Ceskoslovenska Otolaryngologie",
year="1977",
author="Janisch, R. and Bílý, J.",
volume="26",
number="5",
pages="285-290",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0009-0603",
doi="",
url="http://dx.doi.org/"
}