@techreport{Ahlen-2007-5612,
  author = {Ahlén, I and Bach, L and Baagøe, H and Pettersson, J},
  title = {Bats and Offshore Wind Turbines Studied in Southern Scandinavia},
  institution = {Vindval},
  year = {2007},
  month = {jul},
  number = {5571},
  url = {http://www.diva-portal.org/smash/record.jsf?pid=diva2%3A1636648&dswid=-4229},
  keywords = {Wind Energy, Fixed Offshore Wind, Attraction, Avoidance, Collision, Bats},
}