@article{ref1,
title="Influential First Sources: Brief Statements with Long-Term Effects",
journal="International journal of mass emergencies and disasters",
year="1988",
author="Nigg, J. M. and Perry, R. W.",
volume="6",
number="3",
pages="311-343",
abstract="Some works -- by virtue of their insightfulness, theoretical linkages, conceptual development, or timeliness -- have attained the stature of &quot;classics&quot; in the field of disaster research. This article reviews six of these works that were especially influential in shaping the questions pursued and the approaches used by disaster researchers since their publication.<p />",
language="",
issn="0280-7270",
doi="",
url="http://dx.doi.org/"
}