@article{ref1,
title="The effects of social, spatial, and interference density on performance and mood",
journal="Journal of social psychology",
year="1979",
author="Lange, H. and Mueller, C. W. and Donnerstein, Edward",
volume="109",
number="Second Half",
pages="283-287",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4545",
doi="10.1080/00224545.1979.9924204",
url="http://dx.doi.org/10.1080/00224545.1979.9924204"
}