@article{ref1,
title="Building safety. Directing the herd: crowds and the science of evacuation",
journal="Science",
year="2005",
author="Bohannon, John",
volume="310",
number="5746",
pages="219-221",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.310.5746.219",
url="http://dx.doi.org/10.1126/science.310.5746.219"
}