@article{ref1,
title="Survey of motor vehicle noise",
journal="Journal of the Acoustical Society of America",
year="1972",
author="Olson, Natalie",
volume="52",
number="5",
pages="1291-1306",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-4966",
doi="",
url="http://dx.doi.org/"
}