1. Annual energy outlook 2009, table a18,2009
2. Design and operation of power systems with large amounts of wind power, first results of IEA collaboration;Holttinen,2006
3. A review of computer tools for analysing the integration of renewable energy into various energy systems;Connolly;Applied Energy,2010
4. An enumerative technique for modeling wind power variations in production costing;Milligan,1997
5. The capacity value of wind in the United States: methods and implementation;Milligan;The Electricity Journal,2006