@article{ref1,
title="Experimental studies on the harmfulness of aircraft noise as opposed to industrial noise",
journal="Monatsschrift für Ohrenheilkunde und Laryngo-Rhinologie",
year="1969",
author="Lorenz, W.",
volume="103",
number="11",
pages="492-498",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0026-9328",
doi="",
url="http://dx.doi.org/"
}