1. Bergmann, J., Bitsch, C., Behlau, V., Jensen, S., Held, A., Pfluger, B., Ragwitz, M. & Resch, G. (2008). Harmonisation of support schemes. A European harmonised policy to promote RES electricity– sharing costs & benefits. A report compiled within the European research project futures-e (work package 3; Deliverable D17)
2. BMWi. 2017b. Ergebnispapier Langfristige Trends – Aufgaben fur die kommenden Jahre Strom 2030.
3. Boie, I., and K. Franke 2020: Synthesis of key issues affecting CSP development in Europe. Deliverable 10.1, MUSTEC Project, Fraunhofer ISI, Karlsruhe.
4. The future prospect of PV and CSP solar technologies: An expert elicitation survey
5. Renewable Energy Cooperation in Europe: What Next? Drivers and Barriers to the Use of Cooperation Mechanisms