Geheimnisse des Vogelzuges.
Edition: 4. Aufl.
Series: Die Neue Brehm-Bücherei, 75
Publisher: A. Ziemsen
Published: 1962
Place of publication: Wittenberg Lutherstadt
Language: ger
Number of pages: 105
Subjects: Birds -- Migration.
Notes: Bibliography: p. 87-89.