@article{ref1,
title="Children's vigilance performance and inattentiveness in the classroom",
journal="Journal of child psychology and psychiatry",
year="1978",
author="Kupietz, S. S. and Richardson, E.",
volume="19",
number="2",
pages="145-154",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9630",
doi="",
url="http://dx.doi.org/"
}