R. B. Sharpe's Monographie der Alcedinidae
Article
1870
Journal für Ornithologie
18
Series: 3
377--380
BioStor
German
Berlin, Friedländer,
BioStor: https://biostor.org/reference/141805 DOI: https://doi.org/10.1007/bf02252490
Public domain. The BHL considers that this work is no longer under copyright protection.
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