Mapping the Birdstrike Risk.
Becker, J. 1990. Mapping the Birdstrike Risk. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP19. 4 pages.
Becker, J. 1990. Mapping the Birdstrike Risk. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP19. 4 pages.
