@article{ref1,
title="Some effects of influence on the perception of an illusion in small groups",
journal="Perceptual and motor skills",
year="1957",
author="Hopkin, V. David",
volume="7",
number="2",
pages="212-212",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1957.7.h.212",
url="http://dx.doi.org/10.2466/pms.1957.7.h.212"
}