@article{ref1,
title="Statistical dependency in visual scanning",
journal="Human factors",
year="1986",
author="Ellis, S. R. and Stark, L.",
volume="28",
number="4",
pages="421-438",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}