Document 713
Frank, U. and Brom, T. G. 1992. The diagnostic significance of thickened and pronged hamuli in feathers. Proceedings of the International Bird Strike Committee, Jerusalem, Israel IBSC21/WP5:27-34.
Frank, U. and Brom, T. G. 1992. The diagnostic significance of thickened and pronged hamuli in feathers. Proceedings of the International Bird Strike Committee, Jerusalem, Israel IBSC21/WP5:27-34.
