6N. Luhmann. Risk: A Sociological Theory. Berlin: de Gruyter, 1993.
7OECD. "Emerging Risks in the 21st Century: An Agenda for Action". http://www, oecd. org, 2003.
8UN. "Risk and Poverty in a Changing Climate: Invest Today for a Safe Tomorrow". ISDR Global Assessment Report on Disaster Risk Reduction, Geneva, Switzerland, 2009.
