Document 840
Hild, J. 1968. Design of an Approach – or Bird Map for Single Airbases. Proceedings of Bird Strike Committee Europe. BSCE3-Appendix 7. Brussels, Belgium. 3 pages.
Hild, J. 1968. Design of an Approach – or Bird Map for Single Airbases. Proceedings of Bird Strike Committee Europe. BSCE3-Appendix 7. Brussels, Belgium. 3 pages.
