@article{ref1,
title="Mobility and aircraft noice: A registry study",
journal="Environmental research",
year="1977",
author="Sörensen, S. and Berglund, Kenneth and Ståhlfors, B.",
volume="14",
number="3",
pages="374-378",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0013-9351",
doi="",
url="http://dx.doi.org/"
}