@article{ref1,
title="Visual search in complex fields: size differences between target disc and surrounding discs",
journal="Human factors",
year="1972",
author="Bloomfield, J. R.",
volume="14",
number="2",
pages="139-148",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}