Document 862
Hild, J. 1979. New procedures for publication of bird warnings and forecasts. Proceedings of the Bird Strike Committee Europe. BSCE14-WP14. The Hague, Switzerland. 3 pages.
Hild, J. 1979. New procedures for publication of bird warnings and forecasts. Proceedings of the Bird Strike Committee Europe. BSCE14-WP14. The Hague, Switzerland. 3 pages.
