@article{ref1,
title="Age, sex, and task difficulty as predictors of social conformity",
journal="Journal of gerontology",
year="1972",
author="Klein, R. L.",
volume="27",
number="2",
pages="229-236",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1422",
doi="",
url="http://dx.doi.org/"
}