@article{ref1,
title="The spatial allocation of visual attention as indexed by event-related brain potentials",
journal="Human factors",
year="1987",
author="Mangun, G. R. and Hillyard, S. A.",
volume="29",
number="2",
pages="195-211",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}