@article{ref1,
title="Murders and threats plague Colombia's universities",
journal="Chronicle of higher education",
year="2001",
author="Easterbrook, Michael",
volume="48",
number="10",
pages="A60-A60",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0009-5982",
doi="",
url="http://dx.doi.org/"
}