@article{ref1,
title="Dynamics of mental status during the performance of occupational activities involved in air traffic control",
journal="Kosmicheskaia Biologiia i Aviakosmicheskaia Meditsina",
year="1987",
author="Denisov, A. F.",
volume="21",
number="1",
pages="76-78",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0321-5040",
doi="",
url="http://dx.doi.org/"
}