@article{ref1,
title="Integrated Systems and Emergent Norm Approach to Mass Emergencies",
journal="Mass emergencies",
year="1976",
author="Gillespie, D. F. and Perry, R. W.",
volume="1",
number="4",
pages="303-312",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0304-4114",
doi="",
url="http://dx.doi.org/"
}