1. Bird Migration;Alerstam,1990
2. Developing field and analytical methods to assess avian collision risk at wind farms;Band,2007
3. Radarbeobachtungen über die Richtungen des nächtlichen Vogelzuges am nördlichen Alpenrand;Baumgartner;Ornithol. Beob.,1985
4. Map of bird sensitivities to wind farms in Scotland: a tool toaid planning and conservation;Bright;Biol. Conserv.,2008
5. Do migrating birds fly along straight lines?;Bruderer,1982