Das Vogelleben der mittleren Donau.
Subtitle: [Übers. von Árvéd Mannsberg]
Series: Studia biologica.  Academiae Scientarum Hungaricae, 7
Publisher: Akadémiai Kiadó
Published: 1969
Place of publication: Budapest
Language: ger
Number of pages: 127
Subjects: Birds -- Danube River