@article{ref1,
title="Tracking performance with advanced and delayed visual displays",
journal="Human factors",
year="1967",
author="Gifford, R. N. and Lyman, J.",
volume="9",
number="2",
pages="127-132",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}