@article{ref1,
title="The Time-Errors in Visual Extents and Areas",
journal="Journal of psychology, The",
year="1944",
author="Tresselt, M. E.",
volume="17",
number="1",
pages="21-30",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1944.9917181",
url="http://dx.doi.org/10.1080/00223980.1944.9917181"
}