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2. Ropeik, D., Gray, G.: Risk: A Practical Guide for Deciding What’s Really Safe and What’s Really Dangerous in the World Around You, Houghton Mifflin (2002)
3. Glassner, B.: The Culture of Fear: Why Americans are Afraid of the Wrong Things. Basic Books (1999)
4. Slovic, P.: The Perception of Risk. Earthscan Publications Ltd (2000)
5. Gilbert, D.: If only gay sex caused global warming. In: Los Angeles Times (July 2, 2006)