@article{ref1,
title="Temporal uncertainty of auditory signals in a monitoring task: effects of inter-signal interval length and regularity on increase in reaction time",
journal="Acta psychologica",
year="1977",
author="Lisper, H. O. and Melin, L. and Sjödén, P. O. and Fagerstrom, K. O.",
volume="41",
number="2-3",
pages="183-190",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}