1. Act on the structured phase-out of the utilization of nuclear energy for the commercial generation of electricity (Gesetz zur geordneten Beendigung der Kernenergienutzung zur gewerblichen Erzeugung von Elektrizität).
2. Allnoch, N., Schlusemann, R., Mohr, S., Pochert, O., 2005. Zur Lage der Regenerativen Energiewirtschaft in Nordrhein-Westfalen 2005, iwr 2004, 2005 and 2006.
3. Beise, M., 2001. Lead Markets: Country-Specific Success Factors of the Global Diffusion of Innovations, ZEW Economic Studies, vol. 14, Heidelberg.
4. Ender, C., Molly, J.P., 2005–2006. Value added by the German industry within the global wind energy market for 2004, 2005. DEWI Magazine no. 27, August 2005, DEWI Magazine no. 29, August 2006.
5. European Renewable Energy Council, 2004. Renewable energy scenario to 2040. Half of the global energy supply from renewables in 2040.