Document 884
Horton, N. 1990. Distinguishing Between Ducks, Geese and Swans by Means of Feather Micro-Biometrics. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP32. 11 pages.
Horton, N. 1990. Distinguishing Between Ducks, Geese and Swans by Means of Feather Micro-Biometrics. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP32. 11 pages.
