@article{ref1,
title="Effects of task type and stimulus heterogeneity on the event rate function in sustained attention",
journal="Human factors",
year="1987",
author="Lanzetta, T. M. and Dember, William N. and Warm, Joel S. and Berch, D. B.",
volume="29",
number="6",
pages="625-633",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}