Document 1721
Vice Chairman of Aerodrome Working Group. 1981b. Code of Procedure. Proceedings of the International Bird Strike Committee, Brussels, Belgium IBSC15-WP21. 17 pages.
Vice Chairman of Aerodrome Working Group. 1981b. Code of Procedure. Proceedings of the International Bird Strike Committee, Brussels, Belgium IBSC15-WP21. 17 pages.
