Ulrich Meissen, Markus Hardt, & Agnès Voisard. (2014). Towards a general system design for community-centered crisis and emergency warning systems. In and P.C. Shih. L. Plotnick M. S. P. S.R. Hiltz (Ed.), ISCRAM 2014 Conference Proceedings – 11th International Conference on Information Systems for Crisis Response and Management (pp. 155–159). University Park, PA: The Pennsylvania State University.