1. Armaş, J. and Avram, E.: Perception of flood risk in Danube Delta, Romania, Nat. Hazards, 50, 269–287, 2009.
2. Audit Commission: Management Paper On Target: the practice of performance indicators, London, 2000.
3. Blake, B., Thompson, B., Polk, W., Johnson, J., Duckworth, B., and Bevers, S.: S.W.O.T. Analysis – Identifying Your Strenghts, Weaknesses, Opportunities, and Threats, Texas, available at: http://ttap.tamu.edu/Curriculum/F.20SWOT20Anlaysis.pdf (last access: 22 February 2010), 2005.
4. Bundesministerium des Innern (BMI): Nationale Strategie zum Schutz Kritischer Infrastrukturen (KRITIS-Strategie), available at: http://www.bmi.bund.de/cae/servlet/contentblob/544770/publicationFile/27031/kritis.pdf (last access: 15 July 2011), 2009.
5. Cools, M., Fürst, D., and Gnest, H.: Parametrische Steuerung – Operationalisierte Zielvorgaben als neuer Steuerungsmodus in der Raumplanung, Frankfurt a.M., 2003.