@article{ref1,
title="Active rest on prolonged space flights as a psychological problem",
journal="Problemy Kosmicheskoĭ Biologii",
year="1977",
author="Zarakovskiĭ, G. M. and Rysakova, S. L.",
volume="34",
number="",
pages="191-200",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0555-2788",
doi="",
url="http://dx.doi.org/"
}