@article{ref1,
title="Visual Discrimination of Movement",
journal="Journal of psychology, The",
year="1937",
author="Crook, Mason N.",
volume="3",
number="2",
pages="541-558",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1937.9917520",
url="http://dx.doi.org/10.1080/00223980.1937.9917520"
}