@article{ref1,
title="A peculiar visual illusion: the apparent Piston Effect",
journal="Acta psychologica",
year="1967",
author="Coen-Gelders, A.",
volume="26",
number="2",
pages="130-147",
abstract="<p>[Abstract unavailable]</p> <p>Language: fr</p>",
language="fr",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}