Document 858
Hild, J. 1978. About Effects of Agricultural and Grassland Use on Airfields – Reducing Bird Populations. Proceedings of the Bird Strike Committee Europe. BSCE13-WP14. Bern, Switzerland. 11 pages.
Hild, J. 1978. About Effects of Agricultural and Grassland Use on Airfields – Reducing Bird Populations. Proceedings of the Bird Strike Committee Europe. BSCE13-WP14. Bern, Switzerland. 11 pages.
