1. Wind Energy Report Germany 2013, Division Energy Economy and Grid Operation;Fraunhofer Institute for Wind Energy and Energy System Technology (IWES),2013
2. Global wind energy council (GWEC): Global Wind Statistics 2013, online: http://www.gwec.net/wp-content/uploads/2014/02/GWEC-PRstats-2013_EN.pdf, 10.01.2015.
3. Large Wind Turbines. Design and Economics, Baffins Lane;Harrison,2000
4. Wind Energy – Quo Vadis?;Molly,2009
5. ENERCON Product Overview, Online: http://www.enercon.de/p/downloads/ENERCON_Produkt_en_web_072013.pdf, 02.01.2014.