Document 1399
Ruhe, W. and D. Engelbart. 1996. Bird Migration observation in the Berlinn area using ATC-Radar and Wind-Profiler. Proceedings of the International Bird Strike Committee, London, England IBSC23/WP55. Pages 527-538.
Ruhe, W. and D. Engelbart. 1996. Bird Migration observation in the Berlinn area using ATC-Radar and Wind-Profiler. Proceedings of the International Bird Strike Committee, London, England IBSC23/WP55. Pages 527-538.
