@article{ref1,
title="Expected value as a determinant of the distribution of attention",
journal="Journal of experimental psychology",
year="1972",
author="Shulman, H. G. and Fisher, R. P.",
volume="93",
number="2",
pages="343-348",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}