@article{ref1,
title="Work in noisy environments and hazards of noise in workers employed in motor testing plants",
journal="Pracovni Lekarstvi",
year="1956",
author="Chalupa, B. and Karen, A. and Pospisil, P. and Sevcik, M.",
volume="8",
number="4",
pages="269-276",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0032-6291",
doi="",
url="http://dx.doi.org/"
}