@article{ref1,
title="Interaction of signal discriminability and task type in vigilance decrement",
journal="Perception and psychophysics",
year="1987",
author="Parasuraman, Raja and Mouloua, M.",
volume="41",
number="1",
pages="17-22",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5117",
doi="",
url="http://dx.doi.org/"
}