@article{ref1,
title="Application of vigilance research: rare, medium, or well done?",
journal="Human factors",
year="1987",
author="Wiener, E. L.",
volume="29",
number="6",
pages="725-736",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}