@article{ref1,
title="Visual constancy during movement: 2 size constancy using one or both eyes or proprioceptive information",
journal="Perceptual and motor skills",
year="1964",
author="Gregory, R. L. and Ross, Helen E.",
volume="18",
number="1",
pages="23-26",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0031-5125",
doi="10.2466/pms.1964.18.1.23",
url="http://dx.doi.org/10.2466/pms.1964.18.1.23"
}