@article{ref1,
title="Development of hygienic research into the noise factor of population sites",
journal="Gigiena i Sanitariia",
year="1977",
author="Karagodina, I. L.",
volume="",
number="11",
pages="54-57",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}