@article{ref1,
title="Level of motivation in social facilitation of a simple task",
journal="Perceptual and motor skills",
year="1973",
author="Sorce, J. and Fouts, G.",
volume="37",
number="2",
pages="567-572",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}