@article{ref1,
title="Some methodological considerations in measuring visual thresholds for velocity",
journal="Perceptual and motor skills",
year="1960",
author="Brown, Robert H.",
volume="11",
number="2",
pages="111-122",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1960.11.2.111",
url="http://dx.doi.org/10.2466/pms.1960.11.2.111"
}