@article{ref1,
title="Visual search for multiple targets",
journal="Journal of experimental psychology",
year="1970",
author="Metlay, W. and Sokoloff, M. and Kaplan, I. T.",
volume="85",
number="1",
pages="148-150",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}