@article{ref1,
title="A cautionary note",
journal="Social networks",
year="1986",
author="Burt, Ronald S.",
volume="8",
number="2",
pages="205-211",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0378-8733",
doi="10.1016/S0378-8733(86)80004-1",
url="http://dx.doi.org/10.1016/S0378-8733(86)80004-1"
}