@article{ref1,
title="The Concept of Crisis in International Politics",
journal="Journal of peace research",
year="1978",
author="Phillips, Warren and Rimkunas, Richard",
volume="15",
number="3",
pages="259-272",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3433",
doi="10.1177/002234337801500304",
url="http://dx.doi.org/10.1177/002234337801500304"
}