@article{ref1,
title="Vigilance research--are we ready for countermeasures?",
journal="Human factors",
year="1987",
author="Mackie, R. R.",
volume="29",
number="6",
pages="707-723",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}