@conference{European-Wind-Energy-Association-EWEA-2012-3792,
  author = {European Wind Energy Association (EWEA)},
  title = {Wind Energy Facts},
  year = {2012},
  month = {dec},
  pages = {2},
  url = {http://www.ewea.org/wind-energy-basics/facts/},
  keywords = {Wind Energy},
}