@article{ref1,
title="Fatigue and its effect on the combat effectiveness of pilots",
journal="Vojnosanitetski Pregled - Military-medical and pharmaceutical review",
year="1960",
author="Najfeld, A.",
volume="17",
number="",
pages="1253-1262",
abstract="<p>[Abstract unavailable]</p> <p>Language: sr</p>",
language="sr",
issn="0042-8450",
doi="",
url="http://dx.doi.org/"
}