@article{ref1,
title="Pupil size and instructional set in recognition and recall",
journal="Psychophysiology",
year="1972",
author="Stanners, R. F. and Headley, D. B.",
volume="9",
number="5",
pages="505-511",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0048-5772",
doi="",
url="http://dx.doi.org/"
}