@article{ref1,
title="Hygienic problems in the organization of recreation areas",
journal="Gigiena i Sanitariia",
year="1987",
author="Ivanova, G. V.",
volume="",
number="2",
pages="61-63",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}