@article{ref1,
title="Space-time relations: the effects of variations in stimulus and interstimulus interval duration on perceived visual extent",
journal="Acta psychologica",
year="1972",
author="Bill, J. C. and Teft, L. W.",
volume="36",
number="5",
pages="358-369",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}