Document 863
Hild, J. 1981. New Organisation of German Board Birdstrike Prevention. Proceedings of the International Bird Strike Committee, Brussels, Belgium IBSC15-WP25. 3 pages.
Hild, J. 1981. New Organisation of German Board Birdstrike Prevention. Proceedings of the International Bird Strike Committee, Brussels, Belgium IBSC15-WP25. 3 pages.
