Document 866
Hild, J. 1984. Flight Procedures of German Armed Forces Concerning the Prevention of Birdstrikes. Proceedings of the International Bird Strike Committee, Rome, Italy IBSC17/WP19:248-249.
Hild, J. 1984. Flight Procedures of German Armed Forces Concerning the Prevention of Birdstrikes. Proceedings of the International Bird Strike Committee, Rome, Italy IBSC17/WP19:248-249.
