Document 1482
Shergalin, J. E. 1990. Bird Strikes Analysis in Estonia 1951 – 1988. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP20. 17 pages.
Shergalin, J. E. 1990. Bird Strikes Analysis in Estonia 1951 – 1988. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP20. 17 pages.
