@article{ref1,
title="Characteristics of moving visual scenes influencing spatial orientation",
journal="Vision research",
year="1975",
author="Held, R. and Dichigans, J. and Bauer, J.",
volume="15",
number="3",
pages="357-365",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}