@article{ref1,
title="Psychical fitness of aviators with special reference to aviation accidents",
journal="Neuropsihijatrija",
year="1954",
author="Viktor, D.",
volume="2",
number="3",
pages="159-170",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0047-9438",
doi="",
url="http://dx.doi.org/"
}