Document 1698
van der Wielen, P. 1967. Measures to Avoid Birdstrikes During Flight. Proceedings of Bird Strike Committee Europe. BSCE2-Appendix 5. The Hague, Switzerland. 6 pages.
van der Wielen, P. 1967. Measures to Avoid Birdstrikes During Flight. Proceedings of Bird Strike Committee Europe. BSCE2-Appendix 5. The Hague, Switzerland. 6 pages.
