1. Electricity, electricity feed laws, feed-in tariffs, and advanced renewable tariffs ; 2007 [accessed 6.06.07].
2. ENERTECH Series 4000 installation and operation. Technical Report, 1980.
3. Soenke Siegfriedsen. aeroSmart5 – The new generation of small wind energy converters (SWEC). Aerodyn Energiesteme GmbH, Pro-vianthausstrasse 9, 24768 Rendsburg, Germany, October 2004.
4. Small wind energy implementation strategy (SWIIS) consortium. 20 May 2005.
5. Ahshan R, Iqbal MT, George KI. Mann. Small induction generator based wind turbine simulator. In: IEEE 16th, NECEC conference, St. John’s, NL, 2006.