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\bibitem{BenediktLey_etal2012} Benedikt Ley, Volkmar Pipek, Christian Reuter, \& Torben Wiedenh{\"o}efer. (2012). Supporting inter-organizational situation assessment in crisis management. In Z.Franco J. R. L. Rothkrantz (Ed.), \textit{ISCRAM 2012 Conference Proceedings -- 9th International Conference on Information Systems for Crisis Response and Management}. Vancouver, BC: Simon Fraser University.

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