Population changes in the tufted duck, Aythya fuligula (L.)
By: With an appendix by Gustav Elfving.
Contributors: Elfving, Gustav, 1908-
Series: Societas Scientiarum Fennica. Commentationes biologicae,; XVI, 5; Commentationes biologicae ;; XVI, 5.
Published: 1957
Place of publication: [Helsingfors
Language: eng
Number of pages: 11
Subjects: Tufted duck.
Notes: "Literature": p. 7-8.
Appendix (p. 9-11) : Statistical analysis of incomplete material, by Gustav Elfving.