Regulations Regarding Management of Airports for Reduction of the Risk of Collisions Between Aircraft and Bird/Game on Aerodromes in Denmark.
Dahl, H. 1984. Regulations Regarding Management of Airports for Reduction of the Risk of Collisions Between Aircraft and Bird/Game on Aerodromes in Denmark. Proceedings of the International Bird Strike Committee, Rome, Italy IBSC17/WP21:260-265.