@article{ref1,
title="On the classification of occupational hazards (based on an article by D. A. Zil'ber)",
journal="Gigiena i Sanitariia",
year="1966",
author="Suvorov, S. V.",
volume="31",
number="4",
pages="92-95",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}