@article{ref1,
title="Annoyance characterization by noise metrics",
journal="Developments in toxicology and environmental science",
year="1987",
author="Shepherd, W. T.",
volume="15",
number="",
pages="271-280",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0165-2214",
doi="",
url="http://dx.doi.org/"
}