@inbook{2dd47586ce0f4be58aa81d71fc42ac16,
title = "Flexibility, stability and security of energy supply",
keywords = "Wind energy systems, Wind energy, Ris{\o}-R-1695(EN), Ris{\o}-R-1695, Vindenergisystemer, Vindenergi",
author = "S{\o}rensen, {Poul Ejnar}",
year = "2009",
language = "English",
isbn = "978-87-550-3755-7",
series = "Denmark. Forskningscenter Risoe. Risoe-R",
number = "1695(EN)",
pages = "25--29",
booktitle = "Ris{\o} Energy Report 8",
publisher = "Danmarks Tekniske Universitet, Ris{\o} Nationallaboratoriet for B{\ae}redygtig Energi",
}