Document 1625
Thorpe, J. 1990. Serious Birdstrikes to Civil Aircraft 1987-1989. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP29. 7 pages.
Thorpe, J. 1990. Serious Birdstrikes to Civil Aircraft 1987-1989. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP29. 7 pages.
