1. The Scientific Wealth of Nations
2. Report on “Genschutz” Initiative [Gesellschaft für Sozialforschung] (GfS Research Institute, Berne, Switzerland, May 1998).
3. Laymann P., Chem. Eng. News33-34 (13 July 1998).
4. Longchamp C., VOX-Analysis of 7 June 1998 (GfS Research Institute, Berne, Switzerland, 1998).
5. Longchamp C. Huth P. Barometer of Concerns (GfS Research Institute Berne Switzerland 1997). Respondents were asked to pick from a list the five problems they considered most important.