@article{ref1,
title="On the problem of the so-called acoustic accident",
journal="HNO",
year="1963",
author="Dieroff, H. G.",
volume="11",
number="",
pages="283-288",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0017-6192",
doi="",
url="http://dx.doi.org/"
}