@article{ref1,
title="An experimental test of the ability to remain alert in monotonous conditions: validity check by means of a standard interview",
journal="Activitas nervosa superior",
year="1974",
author="Kopriva, K. and Frantík, E. and Horváth, M.",
volume="16",
number="2",
pages="117-119",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-7604",
doi="",
url="http://dx.doi.org/"
}