Document 946
Joensen, A.H. 1975b. The Use of Waterfowl Count Data in Birdstrike work in Denmark. Proceedings of the Bird Strike Committee Europe. BSCE10-WP29. Stockholm, Sweden. (page 2 only).
Joensen, A.H. 1975b. The Use of Waterfowl Count Data in Birdstrike work in Denmark. Proceedings of the Bird Strike Committee Europe. BSCE10-WP29. Stockholm, Sweden. (page 2 only).
