Zur Discussion über die Zugstrassen
Article
1879
Journal für Ornithologie
27
Series: 4
195--206
BioStor
German
Berlin, Friedländer,
BioStor: https://biostor.org/reference/141685 DOI: https://doi.org/10.1007/bf02005631
Public domain. The BHL considers that this work is no longer under copyright protection.
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