@article{ref1,
title="Directional scanning biases and shifts of apparent visual direction",
journal="Vision research",
year="1977",
author="Shebilske, W. L.",
volume="17",
number="3",
pages="495-497",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}