@article{ref1,
title="Scaling loudness, noisiness, and annoyance of aircraft noise",
journal="Journal of the Acoustical Society of America",
year="1975",
author="Berglund, B. and Berglund, U. and Lindvall, T.",
volume="57",
number="4",
pages="930-934",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-4966",
doi="",
url="http://dx.doi.org/"
}