@article{ref1,
title="Physiological regulation of the duration of the shift work schedule for transportation workers in deep coal mines",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1990",
author="Zhuchenko, I. P.",
volume="",
number="8",
pages="58-59",
abstract="<p>[Abstract unavailable]</p> <p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}