@article{ref1,
title="Hygienic characteristics of the working conditions for workers in natural gas transport",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1980",
author="Azizkhodzhaev, A. R. and Tarasov, V. V.",
volume="",
number="12",
pages="45-47",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}