Document 959
Keil, W. 1971a. Report About the Bird Strike Situation in Lufthansa 1970. Proceedings of the Bird Strike Committee Europe. BSCE6-2.7. Copenhagen, Denmark. 2 pages.
Keil, W. 1971a. Report About the Bird Strike Situation in Lufthansa 1970. Proceedings of the Bird Strike Committee Europe. BSCE6-2.7. Copenhagen, Denmark. 2 pages.
