Document 1565
Steffen, R. 1994. Anti-bird Collision (ABC) Light System To Prevent Bird Strike In Aviation. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP7:63-68.
Steffen, R. 1994. Anti-bird Collision (ABC) Light System To Prevent Bird Strike In Aviation. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP7:63-68.
