@article{ref1,
title="The perception of foreground and background as derived from structural information theory",
journal="Acta psychologica",
year="1984",
author="Leeuwenberg, E. and Buffart, H.",
volume="55",
number="3",
pages="249-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}