@article{ref1,
title="Occupational acoustic trauma of workers in coal mines. Audiometric findings and medico-legal considerations",
journal="Clinica Otorinolaringoiatrica, La",
year="1969",
author="Motta, G. and Tarsitani, D.",
volume="21",
number="2",
pages="83-109",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0009-904X",
doi="",
url="http://dx.doi.org/"
}