@article{ref1,
title="Weber fraction analogues in social perception",
journal="Perceptual and motor skills",
year="1960",
author="Levy, Leon H.",
volume="11",
number="3",
pages="233-242",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1960.11.3.233",
url="http://dx.doi.org/10.2466/pms.1960.11.3.233"
}