@article{ref1,
title="The response of the human visual system to moving spatially-periodic patterns: further analysis",
journal="Vision research",
year="1971",
author="Foster, D. H.",
volume="11",
number="1",
pages="57-81",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}