@article{ref1,
title="Hygienic substantiation of mental work and recreation schedules",
journal="Gigiena i Sanitariia",
year="1985",
author="Agarkov, V. I. and Grebniak, N. P.",
volume="",
number="1",
pages="33-36",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}