1. Mitigation of bird collisions with transmission lines through groundwire marking;Alonso;Biological Conservation,1994
2. Waterfowl collisions with power lines at a coalfired power plant;Anderson;Wildlife Society Bulletin,1978
3. En foreløpig undersøkelse over fugle drœbt mod elledininger;Andersen-Harild;Dansk Ornitologisk Forenings Tids-skrift,1973
4. Suggested practices for raptor protection on power lines: the state of the art in 1996;APLIC (Avian Power Line Interaction Committee),1996