Document 999
Klaver, A. 1994. Nature Conservation and Flight Safety – A Controvesy. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP5:51-54.
Klaver, A. 1994. Nature Conservation and Flight Safety – A Controvesy. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP5:51-54.