@article{ref1,
title="Interaction of efferent and afferent signals in visual perception. A history of ideas and experimental paradigms",
journal="Acta psychologica",
year="1986",
author="Grüsser, O. J.",
volume="63",
number="1-3",
pages="3-21",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}