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Der Ornithologische Beobachter : Zeitschrift der Ala = Bulletin de l'Ala

Complete Title: 
Der Ornithologische Beobachter : Zeitschrift der Ala = Bulletin de l'Ala
Non IUCN Publication
Imprint: 
Sempach, CH : Schweizerische Vogelwarte, 1902-
Notes: 

in the holdings : Beiheft zu Band 67 (1970), 68 (1971), 75 (1978).

Geographic keywords:

Language(s): 
German
Record created: 2013/09/13
Record updated: 2020/04/10