@article{ref1,
title="On minimal protective zones for specialized enterprises engaged in everyday services to the population",
journal="Gigiena i Sanitariia",
year="1968",
author="Ivanov, V. T.",
volume="33",
number="6",
pages="96-97",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}