@article{ref1,
title="An electromyographic study of social facilitation: a test of the 'mere presence' hypothesis",
journal="British journal of psychology (1953)",
year="1974",
author="Chapman, Antony J.",
volume="65",
number="1",
pages="123-128",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1269",
doi="",
url="http://dx.doi.org/"
}