@article{ref1,
title="Physiological substantiation of work and rest schedules of construction workers",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1970",
author="Kiseleva, V. I. and Semenov, A. B.",
volume="14",
number="11",
pages="47-48",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}