@article{ref1,
title="The subjective vertical as a function of visual and extraretinal cues",
journal="Acta psychologica",
year="1986",
author="Mittelstaedt, H.",
volume="63",
number="1-3",
pages="63-85",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}