Die spiralige Anlage in der Zeichnung vieler Vogeleier
Article
1864
Journal für Ornithologie
12
103--105
BioStor
German
Berlin, Friedländer,
BioStor: https://biostor.org/reference/142807 DOI: https://doi.org/10.1007/bf02199584
Public domain. The BHL considers that this work is no longer under copyright protection.
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