Bergtold on the Incubation Periods of Birds
Bergtold, W. H. (William Harry), 1865-1956
Article
1917
The Auk
34
488--489
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124253 DOI: https://doi.org/10.2307/4072295
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