Document 929
Jacoby, V. E. 1976. Migrating Birds and Their Danger to Aeroplanes. Proceedings of the Bird Strike Committee Europe. BSCE11-WP5. London, England. 3 pages
Jacoby, V. E. 1976. Migrating Birds and Their Danger to Aeroplanes. Proceedings of the Bird Strike Committee Europe. BSCE11-WP5. London, England. 3 pages
