Zur Ornis von Ost- und Westpreufsen
Geyr von Schweppenburg, H. Freiherr (Hans) 1884-1963
Article
1913
Journal für Ornithologie
61
143--161
BioStor
German
Berlin, Friedländer,
BioStor: https://biostor.org/reference/141212 DOI: https://doi.org/10.1007/bf02250439
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