Document 853
Hild, J. 1976. A New Problem on Scaring Birds on Airfields Induced by Planting Trees and Shrubs. Proceedings of the Bird Strike Committee Europe. BSCE11-WP14. London, England. 3 pages.
Hild, J. 1976. A New Problem on Scaring Birds on Airfields Induced by Planting Trees and Shrubs. Proceedings of the Bird Strike Committee Europe. BSCE11-WP14. London, England. 3 pages.
