@article{ref1,
title="Convergence behavior in disasters",
journal="Annals of emergency medicine",
year="2003",
author="der Heide, Erik Auf",
volume="41",
number="4",
pages="463-466",
abstract="Abstract unavailable.",
language="",
issn="0196-0644",
doi="10.1067/mem.2003.126",
url="http://dx.doi.org/10.1067/mem.2003.126"
}