@article{ref1,
title="The Concept Norm - Enduring But Indefensible",
journal="Deviant behavior",
year="1981",
author="Gibbs, Jack P.",
volume="3",
number="1",
pages="33-36",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0163-9625",
doi="",
url="http://dx.doi.org/"
}