Document 1393
Ruhe, W. 1998. The Weather Radar Network – Another monitoring device for bird activity. Proceedings of the International Bird Strike Committee, Stara Lesna, Slovakia IBSC24/WP21. 8 pages.
Ruhe, W. 1998. The Weather Radar Network – Another monitoring device for bird activity. Proceedings of the International Bird Strike Committee, Stara Lesna, Slovakia IBSC24/WP21. 8 pages.
