Kleine Notizen zum Vogelzuge 1903
Geyr von Schweppenburg, H. Freiherr (Hans) 1884-1963
Article
1904
Journal für Ornithologie
52
506--547
BioStor
German
Berlin, Friedländer,
BioStor: https://biostor.org/reference/141265 DOI: https://doi.org/10.1007/bf02124920
Public domain. The BHL considers that this work is no longer under copyright protection.
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