1. Electrical insulation systems for a sustainable energy society;Fothergill,2009
2. Offshore wind energy – ready to power a sustainable Europe, concerted action on offshore wind energy in Europe, December 2001, Final Report, Report Ref.: Duwind 2001.006.
3. Basic operation principles and electrical conversion systems of wind turbines;Polinder;EPE J,2005
4. Issues of connecting wind farms into power systems;Chen,2005
5. Power electronics control of wind energy in distributed power systems;Iov,2008