Gryllteisten Cepphus grylle in einem Randgebiet
Subtitle: Nahrung, Brutresultat, Tagesrhythmus und Ansiedlung
By: Göran Bergman.
Series: Commentationes biologicae -- 42
Publisher: Societas Scientiarum Fennica
Published: 1971
Place of publication: Helsinki
Language: ger
Number of pages: 26
Subjects: Black guillemot.; Water birds -- Finland.
Notes: Bibliography: p. 25-26.