Australische Sittiche in der Voliere.
By: [Von] Helmut Gerbert [und] Margot Gerbert.
Contributors: Gerbert, Margot, joint author.
Publisher: Deutscher Landwirtschaftsverlag
Published: 1968
Place of publication: Berlin
Language: ger
Number of pages: 144
Subjects: Parrots -- Australia.
Notes: Bibliography: p. 137.