1. AGEE-Stat, 2011. Development of Renewable Energy Sources in Germany 2010, Graphics and Tables version: December 2011. Available at: 〈http://www.irena.org/DocumentDownloads/events/MarrakechMay2012/4_Martin_Sch%C3%B6pe.pdf〉.
2. AGEE-Stat, 2012. Development of Renewable Energy Sources in Germany 2010. July 2012, Renewable Energy-Statistics (AGEE-Stat). Available at: 〈http://www.bmu.de/fileadmin/bmu-import/files/english/pdf/application/pdf/ee_in_deutschland_graf_tab_en.pdf〉.
3. APERC, 2012. Asia Pacific Energy Research Centre, Renewable Energy Promotion Policies, Final Report, APEC Energy Working Group, December 2012.
4. BSW-Solar, 2007. PV Industry and Market Development in Germany: Status and Perspectives. BSW-Solar, Photovoltaics from Germany, 15 May 2007. Available at: 〈http://www.sgc.org.sg/fileadmin/ahk_singapur/Energies/R_D_and_PV_in_Germany_-_Gerhard_Stryi-Hipp.pdf〉.
5. BSW-Solar, 2008. Development of the Photovoltaic Industry in Germany. German American Chambers of Commerce 4th Germany California Solar Day, May 27th, 2008, San Francisco. Available at: 〈http://www.wind-works.org/FeedLaws/Germany/Stryi-Hipp_-Development_of_the_PV_Industry_in_Germany.pdf〉.