@article{ref1,
title="Traffic warning signals as the source of city noise",
journal="Gigiena i Sanitariia",
year="1955",
author="Neifel'd, I. S.",
volume="3",
number="",
pages="39-41",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}